Period $2$: Last $3$ years with $5\%$ interest compounded monthly

Where

$A_2=A_1(1+\frac{r_2}{n_3}{)}^{n_1{t}_2}$

$A_1=$ RM $1150\mathrm{.}39$ is the amount ather the first period

${}_2=0\mathrm{.}05$ is the annual interest rate for the second period

$n_2=12$ is the number of times inferest is compounded per year

$t_2=3$ is the lime in years for the second period

$A_2=1150\mathrm{.}39(1+\frac{0\mathrm{.}05}{12}{)}^{123}=1150\mathrm{.}39(1+0\mathrm{.}0041667{)}^{36}$~~ $RM1332\mathrm{.}99$

L$.$ Amount at the end of investment period: RM$.1332\mathrm{.}99$

ii$.$ Interest earned: $RM1332\mathrm{.}99-RM1000=$ RM $332\mathrm{.}99$

Solvet by inoh act op