Bruno Corporation is involved in the business of injection molding of plastics.

Question

Bruno Corporation is involved in the business of injection molding of plastics. It is considering the purchase of a new computer-aided design and manufacturing machine for $433,900. The company believes that with this new machine it will improve productivity and increase quality, resulting in an increase in net annual cash flows of $102,564 for the next 6 years. Management requires a 10% rate of return on all new investments. Click here to view PV table.

Calculate the internal rate of return on this new machine. (Round answer to 0 decimal places, e.g. 10. For calculation purposes, use 5 decimal places as displayed in the factor table provided.)

Explanation / Answer

Let irr be x%
At irr,present value of inflows=present value of outflows.

433900=102564/1.0x+102564/1.0x^2+...............+102564/1.0x^6

(433900/102564)=[1/1.0x+1/1.0x^2+............+1/1.0x^6]

[1/1.0x+1/1.0x^2+............+1/1.0x^6]=4.23053

Hence x=IRR=11%(Approx)(Looking at present value of annuity factor(11%,6 years)].

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