A machine has a first cost of $150,000, an annual operation and, maintenance cost of $2500, a life..

A document has a original consume of $150,000, an annual operation and, means-of-support consume of $2500, a vivacity of 10 years, and a salvage appraise of $30,000. At the end of years 4 and 8, it requires a greater employment, which consumes $20,000 and $10,000, respectively. At the end of year 5, it conciliate demand to be overhauled at a consume of $45,000. What is the equiponderant regular annual consume of owning and munificent this detail document?