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Teaching in school earns income (economic), while free teaching is a non-economic activity.
Value added = Selling price − Cost of raw material = ₹1,350 − ₹850 = ₹500.
Non-economic activities are done without earning money.
15 × ₹400 = ₹6,000.
Total payment = Cash + Payment in kind = ₹600 + ₹400 = ₹1,000.
Payment in kind means receiving goods of equal value instead of money.
Processing a product increases its value.
Value added = ₹3,150 − ₹2,400 = ₹750.
Non-economic activities improve society without earning money.
Salaries are fixed regular payments, usually paid monthly.
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