A firm's common stock is currently selling for $71 per share. The dividend excepted to be paid at the end of the coming year is $4.63. The dividend has been growing at 4% per year. It is expected that to sell, a new common stock issue must be underpriced $2.14 per share and the firm must pay $1 per share in flotation costs. What will the cost (required Post your answer as a percentage with 1 decimal place. 10.5 for example