What is the yield to maturity on a simple loan for $1 million that requires a repayment

Question:

What is the yield to on a simple loan for $1 million that requires a repayment of $2 million in five years time?

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...