Problem $3-30$ Flexible and Committed Resources, Capacity Usage for a Service

Jana Morgan is about to sign up for cellphone service. She is primarily interested in the safety aspect of the phone; that is$,$ she wants to have one available for emergencies. She does not want to use it as her primary phone. Jana has narrowed her options down to two plans:

BJECTIVE

CPA $3\mathrm{.}3\mathrm{.}1$;$3\mathrm{.}3$

$\backslash$table$[[,$Plan $1,$Plan $2],[$Monthly fee,$$20,$$$30$