If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where p(x) = 158 - x/10. a. Find an expression for the total revenue from the sale of x thousand candy bars. b. Find the value of x that leads to maximum revenue. c. Find the maximum revenue. a. R(x) = b. The x-value that leads to the maximum revenue is c. The maximum revenue, in dollars, is $