Airwave Communications Inc. is considering an investment in new equipment that will be used to manufacture a PDA (personal data assistant). The PDA is expected to generate additional annual sales of 4,800 units at $350 per unit. The equipment has a cost of $910,000, residual value of $50,000, and a 10 year life. The equipment can only be used to manufacture the PDA. The cost to manufacture the PDA is shown below.

Cost per unit: Direct labor

$ 52.00

Direct materials

195.00

Factory overhead (including depreciation)

58.00

Total cost per unit

$305.00

Determine the average rate of return on the equipment.