A city is planning to invest in potential projects with the estimated cash flows below. Given that interest rates is 4.88808848% per semiannual, determine which option(s) is preferable if options are mutually exclusive and independent. Please show work using present worth analysis

	Alternative H	Alternative G
First cost ($)	-150,000	-800,000
Annual operating Cost($/yr)	-50,000	-12,000
Salvage Value($)	8,000	1,000,000
Life (years)	5	7

A.) Find mutually exclusive and independent if Alternative G has 10 years life time.

B.) Find mutually exclusive and independent if Alternative G has life time of infinity.