Part of Jan and Lee's summer vacation income comes from renting some land and growing strawberries. Here is how their strawberry output increases as they add more land to work with:
What is the marginal product of each additional quarter acre? Fill in the blanks in the table.
VARIABLE INPUT (ACRES) TOTAL PRODUCT
(POUNDS OF BERRIES) MARGINAL PRODUCT
(POUNDS OF BERRIES)
Examine marginal product in the case.