3. Julius deposits N$ 1 000 today and another N$ 3 000 in five years into the fund that paying simple interest of 11% per year. Julia will make the same two deposits, but the N$ 1 000 will be deposited t years from today and the N$ 3 000 will be deposited 2t years from today. Julia's deposits earn an effective annual rate of 9.15%. At the end of 10 years, the accumulated amount of Julia's deposits equals the accumulated amount of Julius's deposits. Calculate t