Answer:
January 2, 2020, 100 contracts are sold:
Dr Cash 48,500
Cr Sales revenue - tablets 23,164
Cr Unearned service revenue 25,336
Dr Cost of goods sold 16,500
Cr Merchandise inventory 16,500
December 31, 2020,
Dr Unearned service revenue 8,445
Cr Service revenue 8,445
Explanation:
the price for the bundle = $485
You first need to prorate the price of the tablet and the cost of the internet service. Since the service is prepaid, you cannot recognize revenue, instead a liability account is created (unearned service revenue). As time passes, the unearned revenue will turn into accrued service revenue.