The latest demand equation for your Yoda vs. Alien T-shirts is given by the formula below, whereqis the number of shirts you can sell in one week if you charge $xper shirt.q= -50x+ 700

The Student Council charges you $100 per week for use of their facilities, and the T-shirts cost you $6 each. Find the weekly cost as a function of the unit pricex.

C(x) =?

Hence, find the weekly profit as a function ofx.

P(x) =