4. A company's monthly cost, in dollars Of producing x chairs is (Ex)= 0.00283 + 0. 07x 7 + 16x + 700. The company Is currenty selling 30 chairs monthly A. ypts What is the company's monthly cost ? Label w/ correct units. B. Upts Using the given cost function, find the increase in cast, if production increases from 30 to 32 Chairs? Rund to 2 decimal places, C. 8pts What is the marginal cost when x = 30 chairs? Rund 2 decimal places. D 4pts Using the monthly cost you found in part ( A) and the marginal cost you calculated in part ( C) estimate the cast of producing 32 chairs. Round a decimal places