Required information [The following information applies to the questions displayed below] At the beginning of the year, Grillo Industries bought three used machines. The machines immediately were overhauled, were installed, and started operating Because the machines were different, each was recorded separately in the accounts. Details for Machine A are provided below Cost of the asset Installation costs Renovation costs prior to use Repairs after production began $9,000 600 600 500 4. Compute year 2 units-of-production depreciation expense for Machine B, assuming a capitalized cost of $42,000, an estimated life of 30,000 hours, $4,500 residual value, and actual year 2 use of 8,000 hours (Do not round intermediate calculations.) Year 2 units-of-production depreciation expense