you only have 300,000 money to invest in projects which do you choose

Project 1 Investment=100,000 PV of Project 200,000 Ba=1.2 D/V=1/2
Project 2 Investment=200,000 PV of Project 300,000 Ba=1.0 D/V=1/3
Project 3 Investment=300,000 PV of Project 420,000 Ba=1.1 D/V=1/4