Please help ASAP- will thumbs up your answer.

You and several classmates are studying for the next accounting examination. They ask you to answer the following questions: 1. If cash is borrowed on a $61,200,11-month, 10% note on August 1, how much interest expense would be incurred by December 31? 2. The cash register total including sales taxes is $43,470, and the sales tax rate is 5%. What is the sales taxes payable? 3. If $43,470 is collected in advance on November 1 for 6month magazine subscriptions, what amount of $ subscription revenue should be recognized on December 31