True Plumb Surveyors provides survey work for construction projects. The office staff use office supplies, while surveying crews use field supplies. Purchases on account completed by True Plumb Surveyors during August 2012 are as follows:

Aug. 1. Purchased field supplies on account from Wendell Co., $2,670.

3. Purchased office supplies on account from Lassiter Co., $290.

8. Purchased field supplies on account from Ready Supplies, $3,900.

12. Purchased field supplies on account from Wendell Co., $2,950.

15. Purchased office supplies on account from J-Mart Co., $400.

19. Purchased office equipment on account from Accu-Vision Supply Co., $7,350.

23. Purchased field supplies on account from Ready Supplies, $2,140.

26. Purchased office supplies on account from J-Mart Co., $205.

30. Purchased field supplies on account from Ready Supplies, $2,750.

Instructions

1. Insert the following balances in the general ledger as of August 1:

14 Field Supplies ........$ 6,200

15 Office Supplies ...... 1,490

18 Office Equipment ..... 19,400

21 Accounts Payable ..... 4,715

2. Insert the following balances in the accounts payable subsidiary ledger as of August 1:

Accu-Vision Supply Co. .......$3,600

J-Mart Co. ............... 690

Lassiter Co. ............. 425

Ready Supplies ........... —

Wendell Co. ............ —

3. Journalize the transactions for August, using a purchases journal (p. 30) similar to the one illustrated in this chapter. Prepare the purchases journal with columns for Accounts Payable, Field Supplies, Office Supplies, and Other Accounts. Post to the creditor accounts in the accounts payable ledger immediately after each entry.

4. Post the purchases journal to the accounts in the general ledger.

5. a. What is the sum of the balances in the subsidiary ledger at August 31?

b. What is the balance of the controlling account at August 31?

6. What type of e-commerce application would be used to plan and coordinate suppliers?