Sam's Scarves has 2 knitting machines and employs 2 people. They produce 15 scarves a day. If the firm hires an additional person, the 3 workers can produce 19 scarves a day other things remaining the same
The market for scarves is perfectly competitive and the price of a scarf is $20. The value of marginal product of the third worker is ________. A) $80
B) $300
C) $380
D) 4 scarves
A
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