Answer :
[tex]4.6\%\ \ annually\ \ \rightarrow\ \ 2.3\%\ \ semiannually \\semiannually \ \ \ \ \rightarrow\ \ 30\ times\ the\ interest\ capitalization\\\\Sum=\$6700\cdot(1+ \frac{2.3}{100} )^{30}=\$6700\cdot1.023^{30}\approx\$13253.90[/tex]
