Please show how to calculate EAC by hand

Use the following information to answer questions #11 through #13. The equipment below is required for your business. Assume each will be replaced as it wears out and that straight-line depreciation to zero is used in each case. The required return is 10%. Ignore taxes. Machine A $80,000 Machine B $125,000 cEco Initial cost C Operating Cost/year 7,000 10,000 F 10 yrs Life 8 yrs 11. What is the Equivalent Annual Cost (EAC) of machine A? a. -$117,345 b. 56,875 c. 45,095 d. 21,996 e. -3,625 12. What is the EAC of machine B? a. -$7,653 b. -$10,343 c. -$19,963 d. -$30,343 e. $38,773