Duncan is comparing the cost of cell phone services. the phone he wants costs $ 150 at dever cellular, and the unlimited calling plan through their career would cost $ 2 per day. at kline electronics , duncan could purchase the same phone for $ 200 and also get an unlimited calling plan for $ 1 per day. after some number of days the two options would end up having the same cost. how long would that take and what would the price be at that point?