Flynn Corporation is debating whether to purchase a new computerized production system. The system will cost $450,000, and have an estimated 10-year life with a salvage value of $70,000. The estimated operating results from the new production system are as follows:

Incremental revenue $180,000

Incremental expenses: $85,000

Depreciation (Straight-line basis: 38,000 (123,000)

Incremental net income $57,000

All revenue and expenses other than depreciation will be received and paid in cash. Compute the following for this proposal:

(a) Annual net cash flow: $__________

(b) Payback period: __________ years

(c) Return on average investment: __________%

(d) Net present value, discounted at an annual rate of 6% (present value of $1 due in 10 years, discounted at 6%, is 0.558; present value of $1 received annually for 10 years, discounted at 6%, is 7.360): $__________