(brainliest for right answer)
a toy store finds that the number of items sold is represented by the expression 3c+8. the cost per item is c dollars. the amount of money made is the product of the number of items sold and the cost per item. if the company made $3,200, what equation can be used to determine the cost per item?

a. 3c+8=3200
b. 11c^2=3200
c. 4c+8=3200
d. 3c^2+8c=3200