Acc- p8-7a giraldi enterprises & p8-8a kolton company

P8-7A : The President of Giraldi Enterprises asks if you could indicate the impact certain transactions have on the following ratios:
Transaction Current Ratio (2:1) Accounts Receivable Turnover (10x) Average collection period (36.5 days)
1] Received %5,000 on cash sale.
The cost of goods sold was $2,600
2] Recorded bad debt expense of $500
using allowance method.
3] Wrote off a $100 account receivable as
uncollectible (uses allowance method.)
4] Recorded $2,500 sales on account.
The cost of the good sold was $1,500.
Instructions : Complete the table, indicating whether each transaction will increase (I), decrease (D), or have no effect (NE) on the specific ratios provided for Giraldi Enterprises.
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P8-8A
Kolton Copany closes its books on its July 31 year-end. The company does not make entries to accrue for interest except at its year-end. On June 30, the Notes Receivable account balance is $23,800. Notes Receivable include the following.
Date Maker Face Value Term Maturity Date Interest Rate
April 21 Booth Inc. $ 6,000 90 days July 20 8%
May 25 Mannling Co 7,800 60 days July 24 10%
June 30 ANF Corp 10,000 6 months December 31 6%
During July, the following transactions were completed.
July 5 Made sale of $4,500 on Kolton credit cards,
14 Made sale of $600 on Visa credit cards, The credit card service charge i2 3%
20 Received payment in full from Booth Inc. in the amount due.
24 Received payment in full from manning Co. on the amount due.
Instructions:
[1] Journalize the July transactions and the July 31 adjusting entry for accrued interest receivable. (Interest is computed using 360 days, omit cost of 
goods sold entries.
[2] Enter the balance at July 1 in the receivable accounts and post the entries to all of the receivable accounts. (Use T-accounts.)
[3] Show the balance sheet presentation of