Apple inc. is the number one online music retailer through its itunes music store. apple sells itunes gift cards in $15, $25, and $50 increments. assume apple sells $20.4 million in itunes gift cards in november, and customers redeem $13.4 million of the gift cards in december. 3. what is the ending balance in the deferred revenue account? (enter your answer in dollars, not in millions. (i. e. 5.5 should be entered as 5,500,

(30 total points) suppose a firm’s production function is given by q = l1/2*k1/2. the marginal product of labor and the marginal product of capital are given by: mpl = 1/ 2 1/ 2 2l k , and mpk = 1/ 2 1/ 2 2k l . a) (12 points) if the price of labor is w = 48, and the price of capital is r = 12, how much labor and capital should the firm hire in order to minimize the cost of production if the firm wants to produce output q = 18?