Your assistance in checking what I have correcting me and assisting in my empty space is mucho appreciated!!

The computer shop sells computers. The shop has fixed costs of $1500 per week. Its average cost per computer is $649 each, and the average selling price is $899 each.

A) Writer the linear cost function

C(x) = 649x + 1500 ??

B) Write the linear revenue function

R(x) = px --> 899* (x)

C) Find the cost selling 37 computers a week

37*??

D) Find the revenue from selling 37 computers

E) Find the break even point