T73.84 points TB MC Qu. 3-58 Frost, Inc. Is a service firm that uses process Frost, Inc frm is a service fem that uses process costing The fem worked on a totel of The fem worked on a totel of 1,500 cases this month, 800 of which were completed during the period, The costs in beginning nventory Using the method, what was the cost per equivalent unt? O $15120 O $185.90 O $19029 O $21000