Explanation:
The journal entries are as follows
On September 4
Petty cash A/c Dr $350
To Cash A/c $350
(Being the establishment of petty cash is recorded)
On September 30
Entertainment expenses A/c Dr $79
Maintenance expenses A/c Dr $109
Postage expense A/c Dr $64
Delivery expense A/c Dr $74
To Petty cash A/c $326
(Being the expenses are recorded)
On September 30
Petty cash Ac/ Dr $326
To Cash A/c $326
(Being the replenishment of fund is recorded)