Please help with the practice question. This is the full question and no other information can be added.

SportsMart is a sports apparel department store in Hayward. The manger has estimated the weekly demand function to be P = 25 - 0.001Q where P is the price and Q is the output per week. The rm's total costs are given by TC = 4000 + 130 + 0.00202 and its marginal cost function is given by MC = 13 + 0.0040. How much prot can the store make at the prot-maximizing choice of price and output? (Write answer without the dollar sign.)