The proceeds from the sale of a $4500 five-year promissory note bearing interest at 9% compounded quarterly

Question:

The proceeds from the sale of a $4500 five-year promissory note bearing interest at 9% compounded quarterly were $6055.62. How many months before its date was the note sold if it was discounted to yield 10.5% compounded monthly?
Maturity
Maturity is the date on which the life of a transaction or financial instrument ends, after which it must either be renewed, or it will cease to exist. The term is commonly used for deposits, foreign exchange spot, and forward transactions, interest...