please help!

Assume that the Pure Expectation Theory determines interest rates in the markets. Today's market rates for different maturities are as follows: 1 year =3.2% 2 years =4.4% 3 years =5.2% 4 years =6.8% 5years=7.6% What is the implied 2 year interest rate for investing in 3 years? Enter your answer as a percentage, without the percentage sign (' % '), and rounded to 1 decimal. For example, if your answer is 7.2134%, just enter 7.2