Answer:
Issued check for a payment on account	CP, subsidiary posting
Issued check for rent	CP, No subsidiary posting
Received cash for a sale	CP, No subsidiary posting
Issued an invoice to a customer	R, subsidiary posting
Purchased a computer for cash	CP, subsidiary posting
Received a check from a payment on account	CR, subsidiary posting
Purchased equipment on account	P, subsidiary posting
Issued check for salary	CP, No subsidiary posting
Issued check for purchase of supplies	CP, No subsidiary posting
Issued check for advertising expense	CP, No subsidiary posting
Paid for the equipment purchased on account	CP, subsidiary posting
Recorded the adjustment for supplies used during the month	G, Subsidiary posting
Purchased supplies on account	P, subsidiary posting