Answer
Part 1:
Features of annuity:
Receipts (of the same amounts) are received periodically, or payments (of the same amounts) are made periodically.
Similar time intervals pass before the periodic payments or receipts.
For every interval of payment or receipt, interest is compounded.
Part 2:
Ordinary annuity: Rents fall due at the conclusion of every period.
Annuity due: Rents fall due at the commencement of every period.
Work Step by Step
Part 1:
Features of annuity:
Receipts (of the same amounts) are received periodically, or payments (of the same amounts) are made periodically.
Similar time intervals pass before the periodic payments or receipts.
For every interval of payment or receipt, interest is compounded.
Part 2:
Ordinary annuity: Rents fall due at the conclusion of every period.
Annuity due: Rents fall due at the commencement of every period.