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Financial Management Dream Inc. needs $12 million to build a renewable energy plant. The company plans to draw investments using bonds with a 30-year maturity for this purpose. The average yield on the bond market is currently 6%. The company is considering three options for the placement of bonds with $1 000 face value: 5.5% semiannual coupon bond, 6.4% annual coupon bond, and a zero-coupon bond. Your company's tax rate is 15%. How many of the 6.4% annual coupon bond would Dream Inc. needs to issue to raise the $12 million