Co$.$ produces ice cream bars for vending machines and has a daily demand for $200$ bars. The company has the capacity to produce $180,000$ bars per year. The cost of setting up the bar production is $$7\mathrm{.}50,$ and the firm is reluctant to produce too many at one time because of the storage cost$($refrigeration$)$ is relatively high at $30$ percent of the actual bar price. Each ice cream bar is expected to sell at $$5\mathrm{.}00.$ The firm supplies vending machines with its "Fantasy Bars" $360$ days a year