Cost price of machine on 1 -4-’12 = ₹ 1,24,000 + ₹ 16,000 + ₹ 20,000 = ₹ 1,60,000
Annual depreciation on first machine = ₹1,60,000 × 10 / 100 = ₹ 16,000
Cost price of second machine purchased on 1 – 10 -13 = ₹ 1,36,000 + ₹ 8,000 = ₹ 1,44,000
∴Annual depreciation on second machine = ₹ 1,44,000 × 10 / 100 = ₹ 14,400
∴ Depreciation for six months from 1- 10-’13 to 31-3-14 = ₹ 14,400 × 6 / 12 = ₹ 7,200
Selling price of first machine: