Chang Co. sold a copier costing $3,800 with a two-year warranty to a customer on August 16, 2011, for $5,500 cash. Chang uses the perpetual inventory system. On November 22, 2012, the copier requires on-site repairs that are completed the same day. The repairs cost $199 for materials taken from the Repair Parts Inventory. These are the only repairs required in 2012 for this copier. Based on experience, Chang expects to incur warranty costs equals to 4% of dollar sales. It records warranty expense with an adjusting entry at the end of the year.

1. How much warranty expense does the company report in 2011 for this copier?
2. How much is the estimated warranty liability for this copier as of December 31, 2011?
3. How much warranty expense warranty expense does the company report in 2012 for this copier?
4. How much is the estimated warranty liability for this copier as 0f December 31, 2012?
5. prepare journal entries to record (a) the copier's sale; (B) the adjustment on December 31,2011, to recognize the warranty expense; and (c)the repairs that occur in November 2012.