If Project DEF Investment is $170,000 over a 7 year period assuming a rate of 7% compared to DOE's investment requirement is $160,000 over a 4 year period assuming a rate of 12%. Which of these two projects have a greater return value and by how much? Project DEF has the greater return value by $21,220. Project DEF has the greater return value by $272,783. Project DEF has the greater return value by $251,763. Project DOE has the greater return value by $272,983