Three R's Co. was established on Jan 20, 2003 to provide educational services. The services provided during the remainder of the month are as follows:

Jan 21. J Dunlop, Involve No 1, $70 on account

22 L. Summers, Invoice No 2, $180 on account

24 T. Morris, Invoice No 3, $65 on account

25 L Summers, $130 in exchange for educational supplies

27 F. Mintz, Invoice No 4 $165 on account

28 D. Bennett Invoice No 5 $120 on account

30. L Summers Invoice No 6 $105 on account

31 T Morris Invoice No 7, $110 on account

Instructions:

1. Jounralize the transactions for January, using a single-column revenue journal and a two-column general journal. Post to the following customer accounts in the accounts receivable ledger, and insert the balance immediately after recording each entry: D. Bennett; J. Dunlop; F. Mintz; T Morris; L Summers

2. Post the revenu journal and the general journal to the following accounts in the general ledger, inserting the account balances only after the last postings:

12 Accounts Rec.

13 Supplies

41 Fees Earned

3. a What is the sum of the balances of the accuonts in teh subsidary ledger at Jan 31?

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

4. Assume that on Feb 1, the state in which Three R's Co operates begins requiring that sales tax be collected on educational services. Briefly explain how the revenue journal may be modified to accomodate sales of services on account that require the collection of a state sales tax.