A patient weighs \(188\) pounds and begins a new diet plan. The patient records any change in weight after each month. He recorded the following changes for \(4\) months: \(-4.9\) lb, \(-3.7\) lb, \(+2.1\) lb, and \(-0.9\) lb. What is the patient's weight after the \(4\) month period.
The manufacturing cost of an air-conditioning unit $544, and the full-replacement extended warranty costs $113. If the manufacturer sells 506,970 units with extended warranties and must replace 20% of them as a result, how much will the replacement costs be? (Note: Assume manufacturing costs and replacement costs are the same.)