20 Lots 10 Lots n = i = Dr. P is in the development game with his brother-in-law. He proposes buying 20 lots for 400K total and putting in one lift station to pump sewage, an additional cost of 50K. In year 10 they will receive a lump sum payment of $3,000,000. Dr. Pis proposing putting in only 10 lots at 200K total, but each house will require a 1.5k grinder pump to pump the sewage. He also will need to cover annual maintenance cost of the grinder pumps for the first 10 years at 2K total per year. At the end of 10 year period they will receive a lump sum payment of $2,000,000. Which option is best when a MARR of 7% is assumed? (Hint, bring all monies back to present to compare the two alternatives!)