Initial Investment Cash flow Project A $21 million $12 million per year for three years Project B $18 million $9 million per year for three years Project C $15 million $6 million per year for six years Project D $12 million $4.5 million per year for eight years An investor has a budget of $30 million. He can invest in the projects shown above. If the cost of capital is 6%, what investment or investments should he mako? O A. Project A OB. Project B Oc. Project B and Project D OD. Project C and Project D