please answer both questions

Riverbed Industries operates two support departments, Personnel and Accounting. and two producing departments, Fabrication and Assembly, Information on the support percentages and cost for each department is as follows: Using the reciprocal method of allocating support costs, what is the total cost allocated to the Assembly Department from the two support departments? $12200. $15626. $15547. $13217. Advik and James share an apartment. Both have separate cell phone plans. The costs are $70 and $90, respectively. They would like to save money and combine it into one plan that costs $123. Using the stand-alone cost allocation, how much of the cost should be allocated to each? (Do not round the intermedlate calculations.)