Inventory balances for KBD, Inc. for the most recent year appears below:  January 1 December 31 Direct materials $16,000 $83,000 Work in process $57,000 $39,000 Finished goods $61,000 $74,000 KBD, Inc. reported the following costs during the most recent year: Direct materials purchased ........... $210,000 Direct labor ......................... $225,000 Factory utilities .................... $ 93,000 Depreciation, office equipment ....... $ 37,000 Advertising .......................... $ 78,000 Indirect labor ....................... $ 46,000 Property taxes, factory building ..... $ 24,000 Shipping goods to customers .......... $ 55,000 KBD, Inc. applies overhead to products using a pre-determined overhead rate of $12 per direct labor hour and pays its direct labor workers $18 per hour. KBD, Inc.'s prime costs for the most recent year were equal to:

Group of answer choices

$435,000

$333,000

$368,000

$324,000

$502,000

$361,000

none of the above choices are correct