Given:
Assuming 360days in a year and proceeding
[tex]P=\text{ \$1200 ; r=0.04\% ; }t=\frac{1}{12}\text{ years ; n=36}0[/tex][tex]A=P(1+\frac{r}{n})^{nt}[/tex][tex]A=1200(1+\frac{0.04}{360})^{360\times\frac{1}{12}}[/tex][tex]A=1200(1.0001)^{30}[/tex][tex]A=1200(1.003)[/tex][tex]A=1203.60[/tex]Amount of interest owning after 30days is $3.60
