Accept the bonus nowa.FV=12000(FVF10, 5%)=12000(1.62889)=$19,547b.FV-OA= 600,000(FVF-OA15, 10%)=600,000(31.77248)=$19,063,48820,000,000-19,063,488=$936,512c.PV=70,000(PVF10, 4%)=70,000(0.67556)=$47,289E5.7a.=$100,000(PVF15, 6%)=100,000(0.55526) =$55,526=5,000(PVF-OA15, 4%)=5,000(11.11839)=$55,592$55,526+$55,592=111,118b.=$100,000(PVF15, 5%)=100,000(0.48102)=$48,102=5000(PVF-OA15, 5%)=5000(10.37966)=$51,898$48102+$51898=$100,000c.$100,000(PVF15, 6%)=$100,000(0.41727)=$41,727=$5,000(PVF-OA15, 6%)=$5,000(9.71225)=$48,561=$41727+$48561=$90,288E5.12Lease Building C because the PV of its net cost is the leasta.PV=$600,000b.$69,000*8.78432=$606,118c.$7,000*7.84314=$54,902Cash Purchase Price650,000PV of Rental Income(54,902)Net Present Value$595,098E5.18PV-OA=300,000(PVF-OA15, 8%)=300,000(8.55948)= $2,567,844The recommended method of payment would be the 15 annual payments of the $300,000 because the PV of those payments is less than the immediate cash pay