Cranford Company completed and transferred out 4,200 units in May 2020. There were 200 units in the Work-in-Process Inventory on May 31, 2020, 30% complete as to conversion costs and 100% complete as to materials. The month's charges for conversion costs and material costs were $21,300 and $19,360, respectively. There was no beginning inventory on May 1, 2020. What is the cost of the work transferred-out during May, assuming that Cranford uses weighted-average process costing