Answer:. ............$
1. Bad debt Dr. 11.0000
Account receivable Or. 11.000
Narration: Bad debts writing off debtors
2. Cash/Bank. Dr 1800
Profit or loss Cr. 1800
Narration. Bad debt previously written off recovered
3. Profit or loss Dr 4000
Allowance for doubtful debts Cr
4000
Narration. Increase in provision for doubtful debts.
a. a discount of 2 percent will be allowed if the invoice is paid within 10 days of the invoice date.
So for example if the bill is $100 "2/10 net 30" and you pay within 10 days, you get a 20 cent discount and the balance is $9.80. If you pay in 30 days, the full 10 dollars is due.
I think intellectual curiosity is not a reason,