Kaumajet Factory produces two products: table lamps and desk lamps. It has two separate departments: Fabrication and Assembly. The factory overhead budget for the Fabrication Department is $550,000, using 500,000 direct labor hours. The factory overhead budget for the Assembly Department is $400,000, using 80,000 direct labor hours.

If a desk lamp requires 1 hour of fabrication and 2 hours of assembly, the amount of factory overhead that Kaumajet Factory will allocate to each unit of desk lamp using the multiple production department factory overhead rate method with an allocation base of direct labor hours is

a.$4.91

b.$11.10

c.$5.00

d.$7.20