$\backslash$table$[[$Project$,$Investment,$\backslash$table$[[$Annual$],[$Income$]],\backslash$table$[[$Life of$],[$Project$]]],[22A,$$$244,700,$$$17,110,6$ years$],[23$ A$,273,400,20,660,9$ years$],[24$ A$,284,800,15,700,7$ ye$$rs$]]$

Annual income is constant over the life of the project. Each project is expected to have zero salvage value at the end of the project. Sheffield Company uses the straight$-$line method of depreciation.

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$($a$)$

Determine the internal rate of return for each project. $($Round answers $0$ decimal places, e$.$g$.13\%.$ For calculation purposes, use $5$ decimal places as displayed in the factor table provided.$)$

$\backslash$table$[[$Project$,\backslash$table$[[$Internal Rate of$],[$Return$]]],[22A,],[23A,],[24A,]]$

B$)$ If Sheffield Company required rate of return is $11\%$