The classical school assumes that:

A.supply creates its own demand, wage and prices are flexible, and savings equalinvestment.

B.supply creates its own demand, wage and prices are inflexible, and savings equal investment.

C.supply does not create its own demand, wage and prices are flexible, and savings do not necessarily equal investment.

D.supply does not create its own demand, wage and prices are inflexible, and savings do not necessarily equal investment.