Mark Nicole invested X into a 6-year certificate of deposit CCD that earned 6% interest per year credited on a simple interest basis. After the CD mature Nicole reinvested the principal and interest from the CD into a 10-year savings account that earned 3% annual effective rate of interest. The total interest Nicole earned from both investments was 12 Calculate X. A 6,800 10,500 c) 15,000 D 18,800 E 34,500