From Longman Business Dictionary
expenditureex·pen·di·ture /ɪkˈspendɪtʃə-ər/ noun [countableC, uncountableU] the total amount of money that a government, organization, or person spends during a particular period of timeAn advertiser rarely knows what its return on investment in advertising expenditure is.
expenditure ona 58% increase in expenditure on books and teaching materials
→ capital expenditure → consumption expenditures → government expenditure → marketing expenditure → public expenditure → state expenditure