business. Other pertinent information concerning the business venture is provided here: $.$

a$.$ Calculate the project's NPV$.$

b$.$ Determine the sensitivity of the project's NPV to a$($n$)9$ percent decrease in the number of units sold.

c$.$ Determine the sensitivity of the project's NPV to a$($n$)9$ percent decrease in the price per unit.

d$.$ Determine the sensitivity of the project's NPV to a$($n$)9$ percent increase in the variable cost per unit.

e$.$ Determine the sensitivity of the project's NPV to $a(n)9$ percent increase in the annual fixed operating costs.

Data table

a$.$ The NPV for the base$-$case wi