Discounting a stream of benefits is defined as
a. a single-period valuation model that converts a benefits stream into value by dividing the benefits stream by a rate of return that is adjusted for growth.
b. a single-period valuation model that converts a benefits stream into value by dividing the benefits stream by a rate of return that does not consider growth.
c. a multi-period valuation model that converts revenue into value by discounting the revenue stream by a rate of return.
d. a multi-period valuation model that converts a future series of benefit streams into value by discounting them to present value.