A machine under consideration by Hailey Industries costs $52,000. It has operating and maintenance costs of $15,000 per year. The annual savings is estimated to be $38,000 and the salvage value at the end of 4 years is $13,000. MARR=12%.What is the IRR? ________(ans. xx.x%)What is the ERR? ________ (ans. xx.x%)