Information on Four Investment Proposals Is Given Below What Are Preference Rankings of the Four Proposals According to Proposal

Information on four investment proposals is given below: $\begin{array}{ll}\text { Proposal }& \text { Investment }&\text { Net Present Value }\\1&\$ 50.000 & \$ 30.000 \\2&\$ 60.000 & \$ 24.000 \\3&\$ 30.000 & \$ 15,000 \\4&\$ 45.000 & \$ 9.000\end{array}$ What are preference rankings of the four proposals according to the profitability index?

A) 3,4,1,2.
B) 1,2,3,4.
C) 1,3,2,4.
D) 2,1,4,3.