On June 15, Dylan has obtained two quotes to have the roof of his home reshingled. Rocca Roofing will do the job for $8200 payable on June 15. Sylvestor Roofing will do the job for $5000 payable on June 15, an additional $2000 payable on July 15, and a final payment of $2000 payable on August 31. Based strictly on price, which company should Dylan select if his money is worth 4.5%? In current dollars, how much will Dylan save by selecting that company?