please, help me answering this question parts as quick as you can!

Pearl E. White Orthodontist specializes in correcting misaligned teeth. During 2018, Pearl provides services on account of $571,000. Of this amount, $61,000 remains receivable at the end of the year. An aging schedule as of December 31, 2018, is provided below.

Age Group	Amount Receivable	Estimated Percent Uncollectible
Not yet due	$ 21,000	5%
0-90 days past due	14,100	20%
91-180 days past due	9,100	25%
More than 180 days past due	16,800	70%
Total	$ 61,000

3.

Required information

Required:

1. Calculate the allowance for uncollectible accounts.

4.

value: 10.00 points

Required information

2. Record the December 31, 2018, adjustment, assuming the balance of Allowance for Uncollectible Accounts before adjustment is $3,100 (credit). (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

5.

3. On July 19, 2019, a customers account balance of $6,100 is written off as uncollectible. Record the write-off. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

6.

4. On July 19, 2019, a customers account balance of $6,100 is written off as uncollectible. On September 30, 2019, the customer unexpectedly pays the full amount. Record the cash collection. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

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