Suppose a firm has the following 4 issuances of bonds. What is the weighted average cost of debt for the firm? 

Note: THREE decimals in percentage. If your answer, for example, is 1.243%, input 1.243 rather than 1.243%. Do not include the % in your typed answer.

 

Price Symbol Coupon Rate (per $100 book value) Bond1 4.25% 106.9 Bond2 3.62% 119.22 Bond3 3.87% 124.45 Bond4 2.37% 108.93 Yield 1.35% 2.48% 2.53% 0.79% Outstanding (book value) 2,500 500 1,000 1,000