| Period | Month | Depreciation | Accumulated | Book value |
|---|---|---|---|---|
| 1 | 2021-03 | $65.00 | $65.00 | $7,735.00 |
| 2 | 2021-04 | $65.00 | $130.00 | $7,670.00 |
| 3 | 2021-05 | $65.00 | $195.00 | $7,605.00 |
| 4 | 2021-06 | $65.00 | $260.00 | $7,540.00 |
| 5 | 2021-07 | $65.00 | $325.00 | $7,475.00 |
| 6 | 2021-08 | $65.00 | $390.00 | $7,410.00 |
| 7 | 2021-09 | $65.00 | $455.00 | $7,345.00 |
| 8 | 2021-10 | $65.00 | $520.00 | $7,280.00 |
| 9 | 2021-11 | $65.00 | $585.00 | $7,215.00 |
| 10 | 2021-12 | $65.00 | $650.00 | $7,150.00 |
| 11 | 2022-01 | $65.00 | $715.00 | $7,085.00 |
| 12 | 2022-02 | $65.00 | $780.00 | $7,020.00 |
| 13 | 2022-03 | $65.00 | $845.00 | $6,955.00 |
| 14 | 2022-04 | $65.00 | $910.00 | $6,890.00 |
| 15 | 2022-05 | $65.00 | $975.00 | $6,825.00 |
| 16 | 2022-06 | $65.00 | $1,040.00 | $6,760.00 |
| 17 | 2022-07 | $65.00 | $1,105.00 | $6,695.00 |
| 18 | 2022-08 | $65.00 | $1,170.00 | $6,630.00 |
| 19 | 2022-09 | $65.00 | $1,235.00 | $6,565.00 |
| 20 | 2022-10 | $65.00 | $1,300.00 | $6,500.00 |
| 21 | 2022-11 | $65.00 | $1,365.00 | $6,435.00 |
| 22 | 2022-12 | $65.00 | $1,430.00 | $6,370.00 |
| 23 | 2023-01 | $65.00 | $1,495.00 | $6,305.00 |
| 24 | 2023-02 | $65.00 | $1,560.00 | $6,240.00 |
| 25 | 2023-03 | $65.00 | $1,625.00 | $6,175.00 |
| 26 | 2023-04 | $65.00 | $1,690.00 | $6,110.00 |
| 27 | 2023-05 | $65.00 | $1,755.00 | $6,045.00 |
| 28 | 2023-06 | $65.00 | $1,820.00 | $5,980.00 |
| 29 | 2023-07 | $65.00 | $1,885.00 | $5,915.00 |
| 30 | 2023-08 | $65.00 | $1,950.00 | $5,850.00 |
| 31 | 2023-09 | $65.00 | $2,015.00 | $5,785.00 |
| 32 | 2023-10 | $65.00 | $2,080.00 | $5,720.00 |
| 33 | 2023-11 | $65.00 | $2,145.00 | $5,655.00 |
| 34 | 2023-12 | $65.00 | $2,210.00 | $5,590.00 |
| 35 | 2024-01 | $65.00 | $2,275.00 | $5,525.00 |
| 36 | 2024-02 | $65.00 | $2,340.00 | $5,460.00 |
| 37 | 2024-03 | $65.00 | $2,405.00 | $5,395.00 |
| 38 | 2024-04 | $65.00 | $2,470.00 | $5,330.00 |
| 39 | 2024-05 | $65.00 | $2,535.00 | $5,265.00 |
| 40 | 2024-06 | $65.00 | $2,600.00 | $5,200.00 |
| 41 | 2024-07 | $65.00 | $2,665.00 | $5,135.00 |
| 42 | 2024-08 | $65.00 | $2,730.00 | $5,070.00 |
| 43 | 2024-09 | $65.00 | $2,795.00 | $5,005.00 |
| 44 | 2024-10 | $65.00 | $2,860.00 | $4,940.00 |
| 45 | 2024-11 | $65.00 | $2,925.00 | $4,875.00 |
| 46 | 2024-12 | $65.00 | $2,990.00 | $4,810.00 |
| 47 | 2025-01 | $65.00 | $3,055.00 | $4,745.00 |
| 48 | 2025-02 | $65.00 | $3,120.00 | $4,680.00 |
| 49 | 2025-03 | $65.00 | $3,185.00 | $4,615.00 |
| 50 | 2025-04 | $65.00 | $3,250.00 | $4,550.00 |
| 51 | 2025-05 | $65.00 | $3,315.00 | $4,485.00 |
| 52 | 2025-06 | $65.00 | $3,380.00 | $4,420.00 |
| 53 | 2025-07 | $65.00 | $3,445.00 | $4,355.00 |
| 54 | 2025-08 | $65.00 | $3,510.00 | $4,290.00 |
| 55 | 2025-09 | $65.00 | $3,575.00 | $4,225.00 |
| 56 | 2025-10 | $65.00 | $3,640.00 | $4,160.00 |
| 57 | 2025-11 | $65.00 | $3,705.00 | $4,095.00 |
| 58 | 2025-12 | $65.00 | $3,770.00 | $4,030.00 |
| 59 | 2026-01 | $65.00 | $3,835.00 | $3,965.00 |
| 60 | 2026-02 | $65.00 | $3,900.00 | $3,900.00 |
| 61 | 2026-03 | $65.00 | $3,965.00 | $3,835.00 |
| 62 | 2026-04 | $65.00 | $4,030.00 | $3,770.00 |
| 63 | 2026-05 | $65.00 | $4,095.00 | $3,705.00 |
| 64 | 2026-06 | $65.00 | $4,160.00 | $3,640.00 |
| 65 | 2026-07 | $65.00 | $4,225.00 | $3,575.00 |
| 66 | 2026-08 | $65.00 | $4,290.00 | $3,510.00 |
| 67 | 2026-09 | $65.00 | $4,355.00 | $3,445.00 |
| 68 | 2026-10 | $65.00 | $4,420.00 | $3,380.00 |
| 69 | 2026-11 | $65.00 | $4,485.00 | $3,315.00 |
| 70 | 2026-12 | $65.00 | $4,550.00 | $3,250.00 |
| 71 | 2027-01 | $65.00 | $4,615.00 | $3,185.00 |
| 72 | 2027-02 | $65.00 | $4,680.00 | $3,120.00 |
| 73 | 2027-03 | $65.00 | $4,745.00 | $3,055.00 |
| 74 | 2027-04 | $65.00 | $4,810.00 | $2,990.00 |
| 75 | 2027-05 | $65.00 | $4,875.00 | $2,925.00 |
| 76 | 2027-06 | $65.00 | $4,940.00 | $2,860.00 |
| 77 | 2027-07 | $65.00 | $5,005.00 | $2,795.00 |
| 78 | 2027-08 | $65.00 | $5,070.00 | $2,730.00 |
| 79 | 2027-09 | $65.00 | $5,135.00 | $2,665.00 |
| 80 | 2027-10 | $65.00 | $5,200.00 | $2,600.00 |
| 81 | 2027-11 | $65.00 | $5,265.00 | $2,535.00 |
| 82 | 2027-12 | $65.00 | $5,330.00 | $2,470.00 |
| 83 | 2028-01 | $65.00 | $5,395.00 | $2,405.00 |
| 84 | 2028-02 | $65.00 | $5,460.00 | $2,340.00 |
| 85 | 2028-03 | $65.00 | $5,525.00 | $2,275.00 |
| 86 | 2028-04 | $65.00 | $5,590.00 | $2,210.00 |
| 87 | 2028-05 | $65.00 | $5,655.00 | $2,145.00 |
| 88 | 2028-06 | $65.00 | $5,720.00 | $2,080.00 |
| 89 | 2028-07 | $65.00 | $5,785.00 | $2,015.00 |
| 90 | 2028-08 | $65.00 | $5,850.00 | $1,950.00 |
| 91 | 2028-09 | $65.00 | $5,915.00 | $1,885.00 |
| 92 | 2028-10 | $65.00 | $5,980.00 | $1,820.00 |
| 93 | 2028-11 | $65.00 | $6,045.00 | $1,755.00 |
| 94 | 2028-12 | $65.00 | $6,110.00 | $1,690.00 |
| 95 | 2029-01 | $65.00 | $6,175.00 | $1,625.00 |
| 96 | 2029-02 | $65.00 | $6,240.00 | $1,560.00 |
| 97 | 2029-03 | $65.00 | $6,305.00 | $1,495.00 |
| 98 | 2029-04 | $65.00 | $6,370.00 | $1,430.00 |
| 99 | 2029-05 | $65.00 | $6,435.00 | $1,365.00 |
| 100 | 2029-06 | $65.00 | $6,500.00 | $1,300.00 |
| 101 | 2029-07 | $65.00 | $6,565.00 | $1,235.00 |
| 102 | 2029-08 | $65.00 | $6,630.00 | $1,170.00 |
| 103 | 2029-09 | $65.00 | $6,695.00 | $1,105.00 |
| 104 | 2029-10 | $65.00 | $6,760.00 | $1,040.00 |
| 105 | 2029-11 | $65.00 | $6,825.00 | $975.00 |
| 106 | 2029-12 | $65.00 | $6,890.00 | $910.00 |
| 107 | 2030-01 | $65.00 | $6,955.00 | $845.00 |
| 108 | 2030-02 | $65.00 | $7,020.00 | $780.00 |
| 109 | 2030-03 | $65.00 | $7,085.00 | $715.00 |
| 110 | 2030-04 | $65.00 | $7,150.00 | $650.00 |
| 111 | 2030-05 | $65.00 | $7,215.00 | $585.00 |
| 112 | 2030-06 | $65.00 | $7,280.00 | $520.00 |
| 113 | 2030-07 | $65.00 | $7,345.00 | $455.00 |
| 114 | 2030-08 | $65.00 | $7,410.00 | $390.00 |
| 115 | 2030-09 | $65.00 | $7,475.00 | $325.00 |
| 116 | 2030-10 | $65.00 | $7,540.00 | $260.00 |
| 117 | 2030-11 | $65.00 | $7,605.00 | $195.00 |
| 118 | 2030-12 | $65.00 | $7,670.00 | $130.00 |
| 119 | 2031-01 | $65.00 | $7,735.00 | $65.00 |
| 120 | 2031-02 | $65.00 | $7,800.00 | $0.00 |
The final straight-line period absorbs the rounding remainder, so accumulated depreciation equals exactly (cost − salvage) at the end of useful life. All figures are exact integer cents. Not tax or accounting advice.