A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand for the magazine, with the following pmf. 1 2 3 4 5 P ( x ) 4 I7 Suppose the store owner actually pays $2.00 for each copy of the magazine and the price to customers is $4.00. If magazines left at the end of the week have no salvage value, is it better to order three or four copies of the magazine? [Hint: For both three and four copies ordered, express net revenue as a function of demand X, and then compute the expected revenue. ] What is the expected profit if three magazines are ordered? (Round your answer to two decimal places.) $ What is the expected profit if four magazines are ordered? (Round your answer to two decimal places.) $