The manufacturer of GRIPPER tres modeled its return to sales from television advertising expenditures in twe regions, as follows Region 11 5, 40+ ,04x, Region 21 5, 10 + 20,-1. where 5, and 5, are the sales revenue in milions of dollars and , and , are malons of dollars of expenditures for television advertising. (Reund your answers to three decmal places) (a) What advertising expenditures would maximize sales revenue in each district? Region 1 Region 2 miion on (b) How much money will be needed to maxime seles revenue in both distriits million

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