Which of the following defines the multiplier for a change in autonomous taxes?

Which of the following would be considered an implicit cost?

a. Health insurance of employees paid for by the firm b. The water bill of the firm c. The salaries paid to the managers of the firm d. Foregone rent on assets owned by the firm

For a given shift in the aggregate demand curve, the flatter the short-run aggregate supply curve, the smaller the increase in real GDP and the larger the increase in the price level

Indicate whether the statement is true or false