Marydale Products permits its customers to defer payment by giving personal notes instead of cash. All the notes bear interest and require the customer to pay the entire note in a single payment 6 months after issuance. Consider the following transactions, which describe Marydales experience with two such notes: a. On October 31, 2019, Marydale accepts a 6-month, 9% note from Customer A in lieu of a $4,200 cash payment for services provided that day. b. On February 28, 2020, Marydale accepts a 6-month, $1,800, 6% note from Customer B in lieu of a $1,800 cash payment for services provided on that day. c. On April 30, 2020, Customer A pays the entire note plus interest in cash. d. On August 31, 2020, Customer B pays the entire note plus interest in cash. Required: Prepare the necessary journal and adjusting entries required to record Transactions a through d in Marydales records.