If she deposits $1200 and it earns an interest of $144 over 2 years, then she earns $72 per year. Meaning that after 7 years her account will have a balance of $1704
$1344 - $1200 = 144
144/2 = 72
72 * 7 = 504
$1200 + $504 = $1704
It would be "A"-Cookies, as they have a very high sugar content would be absorbed quickly and not have time to get the right exercise is needed for a per-exercise energizing snack.