A manufacturing company runs two productions centers C1 and C2 and two services centers S1 and S2. The total allocations and apportioned overheads for each is as follows.

C1. C2. S1. S2.

$. $. $. $

12000. 17000. 9500. 8000

It has been estimated that each services cost center does work for other cost centers in the following proportations.

C1. C2. S1. S2.

S1. 60%. 40% __ __

S2. 35%. 35%. 30%. __

Required: complete the apportionment sheet and find the amount from the cost of C1 and C2.