Problem 9-7A (Part Level Submission) Yukon Productions Corp. purchased equipment on March 1, 2015, for $70,000. The company estimated the equipment would have a useful life of three years and produce 12,000 units, with a residual value of $7,400. During 2015, the equipment produced 4,900 units. On November 30, 2016, the machine was sold for $20,000 and had produced 5,700 units that year