Economic

how to find the ROR for this example using the method of interaction and linear interpolation.the cash flow:FC= -200,000A=-15,000S= 450,000n=12

Using the RATE function = RATE(n,A,P.F) P = $-200,000 A = $-15,000 n = 12 F = $435,000 Function is = RATE(12,-15000,-200000,450000) Display is i* = 1.9%