1... If the demand function faced by a firm is: Q = 90 - 2P

TC = 2 + 57Q - 8Q2 + Q3

Determine the level of output at which the firm maximizes the profit.

2....Determine the best level of output for the above question by the MR and MC approach.

3... The demand function equation faced by PTCL for its computers is given by: P = 50,000 - 4Q.

i. Write the marginal revenue equation ii. At what price and quantity will total revenue be maximized?