Costco. has recently introduced new magnetic brake rotors for use in high end car models. It introduced the product sometime early in January 2018 and has sold 300,000 units on account in its first year end, December 31, 2018. Each unit is sold for $500 and carries a two-year repair or replacement warranty. Warranties on similar products are available with competitors at $75 each. After some research, it was determined that 35% of the revenues would be recognized in the year of sale and the balance in the year following the sale. The company estimates its warranty expenses to be $25 per unit and has recorded $3 million as actual warranty costs in the first year of business. 1. Prepare all the entries required, using the service-type approach for the year 2018. 2. Prepare all the entries required, using the assurance-type approach for the year 2018. Record actual warranty costs prior to the year-end adjustment.