Robinson Products Company has two service departments (S1 and S2) and two production departments (P1 and P2). The distribution of each service departments efforts (in percentages) to the other departments is:

From	To
	S1		S2			P1			P2
S1				10	%		20	%		?	%
S2	10	%					?			30

The direct operating costs of the departments (including both variable and fixed costs) are:

S1	$	270,000
S2		81,000
P1		68,000
P2		210,000

Required:

1. Determine the total cost of P1 and P2 using the direct method.

2. Determine the total cost of P1 and P2 using the step method.

3. Determine the total cost of P1 and P2 using the reciprocal method.