A vehicle manufacturing company builds two types of cars . There are three stages in car manufacturing stage 1, 2, and 3. Car A takes and hour and half in stage 1, an hour in stage 2, and 30 minutes in stage 3. on the. other hand, Car B takes an hour in stage 1, 45 minutes instage 2, and another hour in stage . the company needs to manufacture at least four cars a day to meet the market demand. however, they have only seven and half hours allocated for stage 1 per day, four hours for stage 2, and firve hours for stage 3. if the production cost for each car A is $12000 and each car B is $15000 then find out the minimum production cost of the company per day to meet the market demand.