Q11. An investor has 30,000 that he wants to invest in bank deposits, equity shares and unit trust. In view of the risk involved in buying equity shares, he wants to invest an amount in equity shares equal to 20% of his total investments in bank deposits and unit trust. Because of certain tax exemptions available to him, he would also like to maintain a 3:2 ration between investments in bank deposits and unit trust. Determine the amount he would invest in each of the three forms of investments, using matrix inversion method.​