tab1 REVENUES IN YEAR 2012 INITIAL INVESTMENT CASHFLOW DETAILS DISCOUNT RATE Initial Investment $50,000 Revenues in year 2012 $40,000 Approach 2 Opportunity cost $7,484 Var. Expenses as % of Rev 50......tab1 REVENUES IN YEAR 2012 INITIAL INVESTMENT CASHFLOW DETAILS DISCOUNT RATE Initial Investment $50,000 Revenues in year 2012 $40,000 Approach 2 Opportunity cost $7,484 Var. Expenses as % of Rev 50...