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On October 29, 2017, Lobo Co. began operations by purchasing razors for resale. Lobo uses the perpetual inventory method. The razors have a 90-day warranty that requires the company to replace any nonworking razor. When a razor is returned, the company discards it and mails a new one from Merchandise Inventory to the customer. The company's cost per new razor is $14 and its retail selling price is $70 in both 2017 and 2018. The manufacturer has advised the company to expect warranty costs to equal 5% of dollar sales. The following transactions and events occurred. 2017

Nov.		11		Sold 70 razors for $4,900 cash.
		30		Recognized warranty expense related to November sales with an adjusting entry.
Dec.		9		Replaced 14 razors that were returned under the warranty.
		16		Sold 210 razors for $14,700 cash.
		29		Replaced 28 razors that were returned under the warranty.
		31		Recognized warranty expense related to December sales with an adjusting entry.

2018

Jan.		5		Sold 140 razors for $9,800 cash.
		17		Replaced 33 razors that were returned under the warranty.
		31		Recognized warranty expense related to January sales with an adjusting entry.

1a. Prepare journal entries to record above transactions and adjustments for 2017. 1b. Prepare journal entries to record above transactions and adjustments for 2018.

How much warranty expense is reported for November 2017 and for December 2017?

. How much warranty expense is reported for January 2018?

4. What is the balance of the Estimated Warranty Liability account as of December 31, 2017?

5. What is the balance of the Estimated Warranty Liability account as of January 31, 2018?