The following information has been taken from the perpetual inventory system of Imperial Mfg. Co. for the month ended September 30:

Purchases of direct materials	$	85,000
Direct materials used	$	64,400
Direct labor costs assigned to production	$	26,000
Manufacturing overhead costs incurred	$	46,500

Balances in inventory	Sept 30			Sept 1
Materials	$	?			55,000
Work in Process	$	35,000			51,500
Finished Goods	$	62,000			67,000

The total amount of inventory to be included in Imperial 's September 30th balance sheet amounts to:

a $172,600.

b $97,000.

c $237,000.

d Some other amount.