Instructions (a) Prepare the journal entries to record each of these four groups of transactions. (b) Prepare the journal entry to record bad debts expense for 2004 , assuming that the company believes 10% of net sales for the year will be uncollectible. (c) Ignoring part b), prepare the journal entry to record bad debts expense for 2004, assuming that the company believes 10% of year-end accounts receivable will be uncollectible