You need to hire a new x-ray tech for the urgent care you are responsible for. You can hire a new tech that can do 20 x-rays per day for $20/hr. You can hire an experienced with 20 years of experience for $30/hr who can do 28 x-rays per day. If cost were not a factor, which tech might we hire and why? Assuming cost is a factor, which would we hire and why? Extra Credit: Which one might we hire, if x-ray volume was expected to go from 18 per day to 23 per day?