Identify the accounting change that applies or if an error correction is applicable .Explain what the appropriate accounting treatment for each situation is.What is the effect of the accounting treatment on the prior and current period financial statements?

Z Corp. began operations in 2010. It is a company dedicated to the sale of medical equipment. As part of its services, it delivers free of charge to all the cities around the country. At the beginning of 2018, the company bought a delivery truck for $60,000, which was estimated would have a useful life of 5 years. At the beginning of the year 2020, due to the deterioration presented by the vehicle, it was estimated that the useful life would be only 4 years.