Answer:
Decrease the quantity of the input
Step-by-step explanation:
The general assumption is that productivity is a curve that is concave downward, Hence marginal product is decreasing until it reaches zero. The way to increase it is to reduce the input quantity to a value below the point where the curve reaches zero marginal product.
The actual answer is 5.66666666
The reason is that because he made 238 over 42 months you divide 238$ by 42 months
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