Additional Hand-in Problem - Cartoons Inc. 
The following information is provided regarding Cartoons Inc.'s accounts receivable and allowance for doubtful accounts: 
 
Accounts Receivable, January 1, 2015        $1,200,000 
Collections of Accounts Receivable during the year    $1,900,000 
Write-offs of Accounts Receivable         $   300,000 
Accounts Receivable, December 31, 2015       $1,850,000 
Allowance for Doubtful Accounts (December 31, 2015 balance (before bad debts adjusting entry)   $   155,000(debit)
Required: 
(a)  Calculate the credit sales for the year 2015. 
 
(b)  Provide the journal entry that was made to write-off the uncollectible amounts during 2015.
(c)  Ignore your answer to (a) and assume that credit sales for 2015 were $4.75 million.  Prepare the bad debts adjusting entry assuming that management estimates that 4.0% of the credit sales would be uncollectible.
(d)  After recording your entry from part (c), is the balance in the allowance for doubtful accounts adequate?   Explain.