Multiple Choice $(1)$

The internal rate of return for a project will increase if:

$($a$)$ the initial cost of the project can be reduced.

$($b$)$ the total amount of the cash inflows is reduced.

$($c$)$ each cash inflow is moved such that it occurs one year later than originally projected.

$($d$)$ the required rate of return is reduced.

$($e$)$ the salvage value of the project is omitted from the analysis