Consider the following cost function . Find the average cost and marginal cost functions. Determine the average and marginal cost when * = a....

Can someone please help explain how to evaluate A, B and C below...

Consider the following cost function .a. Find the average cost and marginal cost functions.6. Determine the average and marginal cost when * = a.c. Interpret the values obtained in part ( !).CIXI = 1300 + 0. 4 X, DEX = 5000, 2 = 1400