Answer:
The Journal entries are as follows:
(i) On February 1,
Allowance for doubtful accounts A/c Dr. $10,600
To Account receivable-Oakley Co $2,800
To Account receivable-Brookes Co $7,800
(To record write off)
(ii) (a) On June 5,
Account receivable-Oakley CO A/c Dr. $2,800
To Allowance for doubtful accounts $2,800
(To record amount reinstated)
(b) On June 5,
Cash A/c Dr. $2,800
To Account receivable-Oakley CO $2,800
(To record cash received)