1. the resources that go (pres simp act) into the creation of good and services are called (pres simp pass) the factors production.
2. the price helps (pres simp act) us to determine when and where factories will be built (fut simp pass).
3. the government has undertaken (pres perf act) a number of programs to increase its income.
4. in 1985, the government was buying (past cont act) goods and ser