Resposta :
[tex] > resolucao \\ \\ \geqslant juros \: \: compostos \\ \\ c = 12.800.00 \\ i = 3\%a.m \\ t = 5 \: meses \\ \\ \\ m = c(1 + i) {}^{t} \\ m = 12800(1 + 0.03) {}^{5} \\ m = 12800(1.03) {}^{5} \\ m = 12800 \times 1.1592 \\ m = 14837.76 \\ \\ \\ resposta \: > \: \: 14.837.76 \\ \\ \geqslant \leqslant \geqslant \leqslant \geqslant \leqslant \geqslant \geqslant \geqslant \geqslant [/tex]

Resposta: R$14.838,70
Explicação passo a passo:
Juros compostos
M=C*(1+i)ⁿ
M=12800*(1+0,03)⁵
M=12800*(1,03)⁵
M=12800*1,15927
M=14838,70