MNC companies are faced with four projects to choose from. Details of projects with investment value and IRR are in the following table.

Project	Initial Investment	IRR (%)
A	$ 250,000	16
B	$ 300,000	10
C	$ 320,000	16
D	$ 150,000	14

The portion of the debt to asset ratio is 40%. Furthermore, the company uses several choices of funding sources: 1. Debt: $200,000 with 8% after-tax cost of debt. 2. Retained earnings: $300,000. Shareholders require a 15% rate of return. If you want to issue new shares, the required rate of return is 18%.

Based on these conditions, answer some of the questions below. a. Determine the order of the projects from largest to smallest IRR? b. Determine the amount of investment that can be covered by debt and retained earnings? c. Which projects can be funded using debt and retained earnings? Calculate the value of the company's weighted cost of capital.