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10-10 Elizabeth Bailey is the owner and general manager of Princess Brides, which provides a wedding planning service in southwestern Louisiana. She uses radio advertising to market her business. Two types of ads are availabl%those during prime-time hours and those at other times. Each prime-time ad costs $390 and reaches 8,200 people, while the off-peak ads each cost $240 and reach 5,100 people. Bailey has budgeted $1,800 per week for advertising. Based on comments from her customers, Bailey wants to have at least two prime-time ads and no more than six off- pcak ads. a. Formulate this as a linear program. b. Find a good or optimal integer solution for part (a) by rounding off or making an educated guess at the answer. c. Solve this as an integer programming problem using a computer