) Kim Davis has decided to purchase a cellular phone for her car, but she is unsure about which rate plan to select.

1.) Kim Davis has decided to purchase a cellular phone for her car, but she is unsure about which rate plan to select. The “regular” plan charges a fixed fee of $55 per month for 70 minutes of airtime plus $0.33 per minute for any time over 70 minutes. The “executive” plan charges a fixed fee of $75 per month for 100 minutes of airtime plus $0.25 per minute over 100 minutes.A). If Kim expects to use the phone for two hours per month, which plan should she select?B). At what level of use would Kim be indifferent between the two plans