David Furniture Ltd incurred the following actual costs during the year just ended: Direct material used $200,020 Direct labour $190,000 Manufacturing overhead $278, 000. The inventory balances, on 1 January, were as follows: Raw material $47 000; Work in process $61 500 Finished goods $65 000. Each of these inventory balances was 10 percent lower at the end of the year. The cost of goods manufactured is:

a.

$674,000

b.

650,000

c.

$670000

d.

None of the answers given