Respuesta :


[tex]i = prt[/tex]
[tex]i = unknown[/tex]
[tex]p = 1200[/tex]
[tex]r = 5.6\% \: or \: 0.056[/tex]
[tex]t = 4[/tex]
[tex]i = 1200(0.056)4[/tex]
[tex]i = (67.2)4[/tex]
[tex]i = 268.8[/tex]
$268.80

268.80 is your answer