Items | Parameter | Amount | |
Tk | US$ | ||
Fixed cost items | Purchase price of weeder (P), | 1500 | 17.65 |
Salvage value(S), (10% of P) | 150 | 1.76 | |
Working life (L), yr | 5 | - | |
Average working hours per year | 480 | - | |
Variable cost items | Labour (Tk or US$/hr) | 50 | 0.59 |
Repair and maintenance (Tk or US$/yr) | 0 | - | |
Field capacity (ha/hr) | 0.0203 | - | |
Calculations | |||
Fixed costs | Annual depreciation, D = (P − S)/L Tk or US$/yr | 270 | 3.18 |
Interest on investment, I = (P + S)/2 * I, where the rate of interest is 12% | 99 | 1.16 | |
Total fixed cost | (Tk or US$/yr) | 369 | 4.34 |
Total fixed cost | (Tk or US$/hr) | 0.77 | 9.06 × 10−3 |
Total fixed cost | (Tk or US$/ha) | 36.61 | 0.43 |
Variable cost | Labour (Tk/hr) | 50 | 0.59 |
Repair and maintenance (Tk/hr) | 0 | - | |
Total variable cost | (Tk or US$/hr) | 50 | 0.59 |
Total variable cost | (Tk or US$/ha) | 2380.95 | 28.01 |
Operating cost | (Tk or US$/hr) | 50.77 | 0.597 |
Operating cost | (Tk or US$/ha) | 2431.72 | 28.61 |