Wrangle Western has some of its jeans stone washed under a contract with independant U.S. GArment Corp. If U.S. Garment's operating cost per machine is $22,000 per year for years 1 and 2 and then it increases by 8% per year through year 10, what is the present worth in year 0 of the machine operating at an interest rate of 10% per year? What is the equivalent annual cost of operating the machines for the 10-year lifespan in the problem.