A small group of entrepreneurs decide to create tote bags with pictures on them. The bags cost $5.25 each and the pictures and application costs $2.50 per bag. The group has $85 in fixed costs. They plan to sell the tote bags for 512 each. What is the revenue function?
a. R=12n
b. R=5.35n+2.50
c. R=12n+85
d. R=12n-85