6. Shs 2 million and Shs 1.5 million are invested at the end of years two and three respectively. The investment pays out Shs 900,000/=, Shs 1.2 million and Shs 1.1 million at the beginning of years six, eight and nine respectively. What is the value of investment at the end of year twelve? The rates of interest are: 8.5% per annum during the first two years; 9.5% per annum during the next four years; 7% in years seven and eight; 0% in year nine; -3% in year ten; 12% in year eleven; and 8.5% per annum in year twelve.