use IF

functions, to create a formula that:

$-$ Displays the caption Purchase and Lease are Equal Options for the case where the calculated values

in cells E$21$ and E$33$ are the same

$-$ Displays the caption NPV of Purchase Option Better by: for the case where the calculated value in

cell E$21$ is higher than the calculated value in cell E$33$

$-$ Displays the caption NPV of Lease Option Better by: for the case where the calculated value in cell

E$21$ is lower than the calculated value in cell E$33$