Answer:
The cost which will determine or estimate the technique used as a basis for requesting the funding to pay for the extra aircraft is the actual cost.
Step-by-step explanation:
Actual cost is the cost or the actual expenditure made for acquiring the asset and it involves the expense of supplier invoiced and in addition to the cost to set up, test the asset and deliver.
So, both the Marine and the Army corps need to procure the additional helicopters beyond the numbers specified in contract. The actual cost will be used as basis for the funding to pay.