He wanted the cost of 1 m³ of stone masonry (1:6 cement mortar).
Depreciation per year = (Replacement cost) / (Total life) = $120,000 / 80 = $1,500 per year estimating costing and valuation by rangwala ebook
| Item | Quantity | Unit rate ($) | Amount ($) | |------|----------|---------------|-------------| | Stone (locally available) | 1.25 m³ | 40 | 50.00 | | Cement (OPC 43 grade) | 1.5 bags | 6 | 9.00 | | Sand | 0.33 m³ | 15 | 4.95 | | Mason (skilled) | 1.5 days | 12 | 18.00 | | Laborer (unskilled) | 3 days | 8 | 24.00 | | Scaffolding & water charges | Lump sum | – | 3.00 | | | | | 108.95 | He wanted the cost of 1 m³ of
Arjun now switched to (Chapters 35–42 of Rangwala). 000 / 80 = $1