Problem 3 [Hint: Use GRG Nonlinear Solver and total spent should be less than budget] SHOW IN EXCEL STEP BY STEP WITH EQUATIONS Beerco has $100,000 to spend on advertising in four markets. The sales revenue (in thousands of dollars) that can be created in each market by spending xi thousand dollars in market is given in the table below. To maximize its sales revenue, how much money should Beerco spend in each market? 1 Sales revenue (in $1000s) in each market from spending x (in $1000s) is of form axb, where Market 1 Market 2 Market 3 Market 4 10 8 12 b 0.4 0.5 0.3 0.6 a 6