What is the theoretical maximum efficiency $(e)$ of a heat engine $($Carnot engine$)$ operating between $150\mathrm{.}0C$ and $400\mathrm{.}0C?$

$0\mathrm{.}3714$

$0\mathrm{.}6250$

$0\mathrm{.}3750$

$0\mathrm{.}2500$

$0\mathrm{.}3560$