please answer 1 & 2

For each of the following, classify the annuity to provide payments of $4,000 made at: a. the beginning of every three months for the next 20 years if interest is 8.00% compounded quarterly. b. the end of every three months for the next 20 years if interest is 8.00% compounded quarterly. c. the end of every three months for the next 20 years if interest is 8.00% compounded annually. 1) Classify the annuity: Indicate the type of annuity for each of the above by placing a, b, or c in the appropriate box below: General Simple TYPE Ordinary Annuity Due 2) Find how much must be invested today