Which of the following journal entries would probably be made if the modified cash basis of accounting for warranties is in use for a sale made in 2016?
a. 2016 Warranty Expense XX Estimated Liability under Warranties XX
b. 2017 Estimated Liability under Warranties XX Cash XX
c. 2016 Cash XX Sales XX Unearned Warranty Revenue XX
d. 2017 Warranty Expense XX Cash XX