Given the following:
Principal (P) = 8668
Rate (R) = 14% = 0.14
Interest for the first year
recall, Interest = P x R
Interest for the first year = 8668 x 0.14
= 1213.52
Principal or the second year = 8668 + 1213.52
= 9881.52
Interest for the second year = 9881.52 x 0.14
= 1383.41
Principal for the third year = 9881.52 + 1383.41
= 11264.93
Interest for the third year = 11264.93 x 0.14
= 1577.09
