Answer:
a. Date Account Title and Explanation Debit Credit
Insurance Expenses $2,800
Prepaid Insurance $2,800
(To record 6-month Insurance coverage expired)
b. Date Account Title and Explanation Debit Credit
Supplies Expenses $10,200
Supplies $10,200
(8,200 +3,600 - 1,600)
(To record supplies consumed during the year)