please help

Question 15 of 26 This This Consider the marginal cost function C'(x) = 0.12x2 - 2x + 100. a. Find the additional cost incurred in dollars when production is increased from 2 units to 5 units. b. If C(2) = 249, determine C(5) using your answer in (a). a. The additional cost incurred in dollars when production is increased from 2 units to 5 units is approximately $. (Do not round until the final answer. Then round to two decimal places as needed.) b. C(5) = (Do not round until the final answer. Then round to two decimal places as needed.)