Which financing option would you choose?

[David Thompson]

So I am under contract on what I feel is going to be a great property! I am getting my financing lined up and I have  several options to choose from and wanted to know you guys think?!

A. 15% down 20 year 5.75 fixed Monthly cash flow $370.97 ($4457.69 per year) 30.39% ROI

B. 15% down 30 year 6.625% fixed Monthly Cash flow $403 ($4836 per year) 33% ROI

let me know what you think!! 

Thanks