The Aggregate Demand Curve Indicates the Relationship Between

The aggregate demand curve indicates the relationship between

A) the real wage rate and the quality of resources demanded by producers of goods and services.
B) the interest rate and the amount of loanable funds demanded by borrowers.
C) the natural rate of unemployment and the demand for goods and services when the economy is in long-run equilibrium.
D) the general price level and the aggregate quantity of goods and services demanded.