If Green Acres Turf Farm's total cost of producing acres of sod is TC = 4Q2 + 25Q + 30, the marginal cost of producing the 20th acre of sod is
A) $30.
B) $25.
C) $105.
D) $185.
E) $345.

Question

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The Answer of If Green Acres Turf Farm's total cost of producing acres of sod is TC = 4Q2 + 25Q + 30, the marginal cost of producing the 20th acre of sod is
A) $30.
B) $25.
C) $105.
D) $185.
E) $345.

If Green Acres Turf Farm's Total Cost of Producing Acres