Answer:
COnsider the following calculations
Explanation:
1. $
Annual Savings in Part-time help 6300
Added Contribution Margin from expanded sales 2600x1.50 3900
Annual Cash Inflows 10200
2.
NPV @ 5%
= Present Value of Cash inflows - Present Value of Cash outlfows
= [10200x 5.076] - 47300
= $4475
NPV @ 10%
= Present Value of Cash inflows - Present Value of Cash outlfows
= [10200x4.355] - 47300
= -$2779
Internal Rate of Return = Lower Rate + [Lower rate NPV/ (Lower rate NPV - Higher rate NPV] x Difference in rates
= 5 + [4475 / (4475+2779)] x 5
= 8%
3. NPV @ 5%
= Present Value of Cash inflows - Present Value of Cash outlfows
= [(10200x 4.355) + (12000x0.564)] - 47300
= $3889
NPV @ 15%
= [(10200x 3.784) + (12000x0.432)] - 47300
= -$3519
Internal Rate of Return = Lower Rate + [Lower rate NPV/ (Lower rate NPV - Higher rate NPV] x Difference in rates
= 10 + [3889 / (3889+3519)] x 5
= 13%