First of all. in this sum, cost price of machine will be ascertained.
If balance of machine is ₹ 40, the cost price is ₹ 100.
∴ If balance of machine is ₹ 32,000, the cost price is (₹)
= \(\frac{32,000×100}{40}\) = ₹ 80,000
∴ Cost price of machine = ₹ 80,000
Annual Decleration D = \(\frac{C×R}{100}\)
= \(\frac{80,000×10}{100}\)
= ₹ 8,000