If XYZ Corp. can undertake the following projects:
Project 1:
Required investment: $10 million
Expected rate of return: 12%
Project 2:
Required investment: $2 million
Expected rate of return: 15%
Project 3:
Required investment: $5 million
Expected rate of return: 10%
Project 4:
Required investment: $8 million
Expected rate of return: 17%
It can raise up to $10 million at a cost of capital of 10%
From $10 to $20 million at a cost of capital of 15%
Over $20 million, its cost of capital is 20%.
What is the amount of money (in millions) that will be raised and invested?