18. Which of the following statements are TRUE?

a. MACRS-GDS uses a half-year convention, whereas MACRS-ADS does not.

b. The half-year convention has the effect of depreciating over n – 1 full years (2, 3, . . . , n), and two half-years (1 and n 1 1).

c. The investment’s property class establishes the number of years over which the cost basis is to be recovered (depreciated).

d. In general, MACRS-GDS has a longer recovery period (depreciation period) than MACRS-ADS.