The following records are available for Janson Co.

Direct materials purchased	$192,000
WIP inventory (3/1)	$70,000
FG Inventory (3/1)	$180,000
RM inventory (3/1)	$25,000
Conversion costs for March	$660,000
Total mfg. costs incurred for March	$840,000
COGM for March	4 times materials used
Gross margin percentage	25%
Revenue	$1,037,500

Determine the WIP inventory as of 3/31. Note that conversion cost = Direct labor + manufacturing overhead.