2. A construction company is looking into different interest rates and their relative advantage. If the quarterly effective interest rate is 5%, and assuming that a year is 1 15 composed of 12 months or 52 weeks: a) What is the nominal annual interest rate compounded weekly? 14:50 ' YW: ! b) What is the weekly effective interest rate? iw : ? 7 : (140. 05 )" c) What is the semi-annual effective interest rate? is = ? d) What is the effective interest rate for a two-year period? 1