Plan A: $,$

Plan B: $,$ Pay $9$ cents per minute of long$-$distance calling

Required

Pay a fixed monthly fee of $$22$ for up to $460$ long $-$distance minutes and $2$ cents per minute thereafter $($if she uses fewer than $460$ minutes, she still pays $$22$ for the month$)$

Which plan should Kanen choose if she expects to make $100$ minutes of long$-$distance calls? $280$ minutes? $480$ minutes?

For each different level of monthly long$-$distance calling, select the plan that Kanen should choose