1) Update inventory cards on a daily basis: Transactions:
Date	Transaction description
22	Sold 61 Zii Game Consoles to Radio Hut for $2,088 each, Invoice No. 765.
23	Ordered 14 Zii Game Consoles from Pear Technology for $1,384 each. Agreed terms with Pear Technology are 2/10, n/30.
25	Paid sales staff wages of $13,214 for the week up to and including yesterday, Check No. 321.
26	Made cash sale of 12 Swish Phones for $856 each.
27	Delivered 31 Mieca Camera Lenses to Hypertronics for $832 each, Invoice No. 766. These items were ordered on the 19th.
27	Turbo Tech paid the full amount owing on their account.
28	Paid the full amount owing to Big Telco, Check No. 322. Payment fell outside discount period.
28	Returned 8 faulty BlueBerry Phones, originally purchased for $536 each, to JCN Electrical. Received a Credit Note for $4,288.

INVENTORY CARDS:

BlueBerry Phones

Date		Purchases			Cost of Goods Sold			Balance
		Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)
May	31							10	416	4160
								15	536	8040
Jun	12				3	416	1248	7	416	2912
								15	536	8040
Jun	18	10	536	5360				7	416	2912
								25	536	13400
Jun

Swish Phones

Date		Purchases			Cost of Goods Sold			Balance
		Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)
May	31							60	488	29280
Jun	11				19	488	9272	41	488	20008
Jun	20				-2	488	-976	43	488	20984
Jun

Mieca Camera Lenses

Date		Purchases			Cost of Goods Sold			Balance
		Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)
May	31							14	400	5600
								25	480	12000
Jun	17				3	400	1200	11	400	4400
								25	480	12000
Jun

Zii Game Consoles

Date		Purchases			Cost of Goods Sold			Balance
		Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)	Units	Unit Cost ($)	Total Cost ($)
May	31							45	1200	54000
Jun	8	10	1200	12000				55	1200	66000
Jun	16	15	1384	20760				55	1200	66000
								15	1384	20760
Jun