The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function.

C(x) = 2000 + 2x - 0.0001x2 (0x 6000)

(a) What is the actual cost incurred in producing the 1041st and the 2141st disc? (Round your answers to the nearest cent.)


1041st disc

$ ??

2141st disc

$ ??

(b) What is the marginal cost when x = 1040 and 2140? (Round your answers to the nearest cent.)

1040

$ ??

2140

$ ??