Now that Yousef is retired, he farms as a hobby. He sells his produce at a weekly local farmers' market. This week, Yousef is harvesting tomatoes. He pays local students $2 per case to pick the tomatoes and has about $175 in weekly fixed costs for fuel, packaging, and other expenses. a. Using function notation, write a function for the total costs C, in dollars, for this week as a function of the number n, of cases of tomatoes picked. b. Yousef sells all of his tomatoes for $27 per case. Using function notation, write a function for the revenue R, in dollars, for this week as a function of n. c. Use the functions found in parts a and b to write a function for the profit P, in dollars, for this week as a function of n. Write in function notation and simplify the function. d. How many cases does Yousef need to sell to break even? Show your work.