You secured bank financing to purchase a $560,000 house using a 80% Loan to Value (LTV) ratio constant payment mortgage loan maturing in 35 years. The loan is fully amortising with a nominal annual interest rate of 3.58% and monthly payments. For repaying your loan early, at the end of year 4, the lender charged a break fee of 2.2%. Calculate the effective borrowing cost of this loan over the 4-year term. Enter your answer without the percentage [%] sign rounded to 4 decimal places (e.g. 10.3456).