Table 1 below lists seven potential projects. The table shows the NPV, energy efficiency measured by cost savings, and a risk amount that may be lost considering the possibility of project failure or from a delayed completion time. The firm has a total amount of $15m available for the entire building renovation. The firm wonders, which projects should be undertaken?

Table 1: List of Potential Projects

Project Description	Project	Cash Required	NPV	Reduced Cost of Energy	Risk
A/C and Heat Controls	1	$2,500	$8,000	$9,000	$(1,200)
Power Generation	2	$3,000	$7,500	$7,000	$(1,300)
Chiller Plant	3	$3,500	$10,000	$8,000	$(3,000)
Lighting	4	$4,500	$12,000	$5,800	$(5,000)
Plumbing	5	$5,000	$16,000	$6,000	$(4,000)
Windows	6	$6,000	$19,500	$5,500	$(18,000)
Roof	7	$7,000	$22,000	$4,000	$(15,000)

1. Which projects should the firm undertake in Table 1? Please explain why you chose the particular project(s).