need help with this please

A. Define the following terms: 1. Annuity 2. Ordinary Annuity B. Solve the given problem on simple ordinary annuity and be able to illustrate through time diagram, Suppose Mr. Garcia wants to purchase a motorcycle. He decided to pay monthly for 3 years starting at the end of the month. How much is the cost of the motorcycle if his monthly payment is P 3,100 and interest is at 6% compounded monthly