Freddie plc has £5 million to invest this year. Three projects are available and all are divisible, i.e. part of a project may be accepted and the cash flow returns will be pro rata. Details of the projects are:

Project

1

2

3

Cash outlay (£1,1)

3.0

2.0

1.5

NPV (EN!)

1.7

1.1

1.0

What is the ranking of the projects that should be accepted?