I am having issues getting the correct answer I keep getting A which is incorrect. What am I doing wrong?

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 $837,573, using 447,900 direct labor hours. The factory overhead budget for the Assembly Department is $309,848, using 50,300 direct labor hours.

If a desk lamp requires 4 hours of fabrication and 7 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. $6.16

b. $22.81

c. $250.91

d. $50.60