The fashion store has $12,000 available each month for advertising. newspaper ads cost $400 a piece and no more than 20 can be run per month. radio ads cost $200 each and no more than 30 can run per month. tv ads cost $1600 a piece, with a maximum of 77available each month. approximately 2000 women will see each newspaper ad,1600 will hear each radio ad, and 15,000 will see each tv ad. how much of each type of advertising should be used if the store wants to maximize exposure?