What is the difference between federal purchases and federal​ expenditures? A. The difference between federal purchases and federal expenditures is so small that it is generally ignored. B. Federal purchases and federal expenditures both require that the government receives a good or service in return. C. Federal purchases require that the government receives a good or service in​ return, whereas federal expenditures exclude transfer payments. D. Federal purchases require that the government receives a good or service in​ return, whereas federal expenditures include transfer payments. Are federal purchases higher today than they were in​ 1960? A. As a percentage of​ GDP, federal purchases have remained unchanged since 1960. B. As a percentage of​ GDP, federal purchases have decreased since 1960. C. As a percentage of​ GDP, federal purchases have increased since 1960. Are federal expenditures higher today than they were in​ 1960? A. As a percentage of​ GDP, federal expenditures have decreased since 1960. B. As a percentage of​ GDP, federal expenditures have remained unchanged since 1960. C. As a percentage of​ GDP, federal expenditures have increased since 1960.