The profit made from the sale of tiles is found by subtracting the costs from the revenue. (This is the money you take in minus the money you spent.)

g. Find the Profit Equation by substituting your equations for R and C in the equation . Simplify the equation. Suppose the revenue equation is R = -x^2+62x.

h. What is the profit made from selling 25 tile sets per month?

i. What is the profit made from selling 30 tile sets each month?

j. What is the profit made from selling no tile sets each month? Why is this value negative?