Computer supply store sells types of laser printers each model m cost to store $179 and it sold for 234 were turning a profit of $55 each model and cost to store $139 and it sold for 199 returning a profit of $60. the store expects to sell at least 100 printers each month and must earn a minimum profit of $5775 on those printers. if they must sell at least one of each model, how many of each model should the store order to minimize the cost