Tammy, a product development specialist at Procter & Gamble, plans to write an e-mail message to her father asking for a loan. The purpose of the loan will be to start a company to sell an environmentally line of home cleaning supplies that Tammy has spent the past two years development in her spare time. Tammy wants to convince her father that the idea represents an attractive business opportunity. In your opinion, what should Tammy include in the e-mail message?