Cranford Company completed and transferred out 3,400 units in May 2020. There were 250 units in the Work-in-Process Inventory on May 31, 2020, 40% complete as to conversion costs and 100% complete as to materials. The month's charges for conversion costs and material costs were $17,850 and $13,140, 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