Murphy's Mug Coffee Shop has found that the demand for a cup of coffee is given by x = 104 15p, where x is the number of cups of coffee purchases per day at p dollars per cup. a. Find the quantity demanded when the price is $2 per cup. cups b. Determine the elasticity as a function of p: E(p) = c. At a price of $ 2, the elasticity is d. At a price of $ 4, a 1% increase in price would result in a in demand. e. Find the value for which E(p) = 1. p = f. Define the total-revenue function R(p): = total revenue has a maximum value. p= % (price) (# sold) = p (p) and find the price p at which the