What would be the interest/hr of a three-bottom plough purchased by a farmer having 30 cm bottom width at ₨ 12000/- only? (Ploughing speed is 5 km per hour. Interest rate @ 10% of capital cost/year and salvage value @ 10% capital cost per year.)
(a) Rs 2.20/hr
(b) Rs 2.40/hr
(c) Rs 3.02/hr
(d) Rs 1.50/hr
The question was posed to me in homework.
Query is from Numericals on Mouldboard Plough in division Tillage, Disc Plough & Numericals of Farm Machinery