I need help with part b

Assume the following information for Shamrock Corp. Uncollectible accounts are expected to be 9% of the ending balance in accounts receivable. Prepare the entry to record the write-off of uncollectible accounts during the period. (List debit entry before credit entry. Credit account titles are outomatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Prepare the entries to record sales and collections during the period, (List all debit entries before credit entries. Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is reguired, select "No Entry" for the account titles and enter O for the omounts.)