Answer:
A) March 1, received note receivable from Bynum Company
Dr Note receivable 60,000
Cr Accounts receivable 60,000
B) March 16, received note receivable from Solo Company
Dr Note receivable 25,000
Cr Accounts receivable 25,000
C) April 30, Bynum Company's note is dishonored
Dr Accounts receivable 60,600
Cr Notes receivable 60,000
Cr Interest revenue 600 ($60,000 x 6% x 2/12)
D) May 17, Solo Company's note is dishonored
Dr Accounts receivable 25,375
Cr Notes receivable 25,000
Cr Interest revenue 375 ($25,000 x 9% x 2/12)
E) July 29, cash is collected from Byrum Company
Dr Cash 60,900
Cr Accounts receivable 60,600
Cr Interest revenue 300
F) July 29, Solo Company's debt is written off
Dr Allowance for doubtful accounts 25,375
Cr Accounts receivable 25,375
