help with part b?

Lelani Lavender's low office has traditionally ordered ink refelis 50 units at a time. The fim estimates that carrying cost is 40% of the $9 unit cost and that annual demand is about 245 units per year a) For what value of ordaring cost would its action be optimal? Is action woutd be optrmal givan an ordening coat of 1 per order (round your response to two decimal ploces) A. The order quamity should not be changed: 8. The order quantity should be increased c. The order quantity thould be decreased