Answer:
The Journal entries are as follows:
(a) On February 1,
Allowance for doubtful accounts Dr. $8,800
To Account receivable-Oakley Co $1,900
To Account receivable-Brookes Co $6,900
(To record write off)
(b) On June 5,
(i)
Account receivable-Oakley Co. Dr. $1,900
To Allowance for doubtful accounts $1,900
(To record amount reinstated)
(ii)
Cash A/c Dr. $1,900
To Account receivable-Oakley CO $1,900
(To record cash received)