Sentence:  There shall be deducted from the amount of each payment made pursuant to subsection ( c ) of section 8 , as reimbursement for the <WSD>expenses</WSD> incurred by the United States , an amount equal to 5 per centum of such payment . 
Meaning of the word marked with <WSD> tags:  amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)