A company uses process costing to assign product costs. Available inventory information for a period is as follows: Inventory (in units) Direct material cost Conversion cost Beginning 0 Started during the period 15,000 $75,000 $55,500 Transferred out 13,500 End of period 1,500 The ending inventory was 25% complete as to the conversion cost. 100% of direct material was added at the beginning of the process. What was the total cost transferred out