Answer the following questions: A) A 60 Watt LED light bulg has a life (in hours) that is exponentially-distributed with a failure rate of 0.00002 per hour. On average, each light bulb costs the manufacturer $30 to be produced. The manufacturer has recently sold and installed 100 LED bulbs in a hospital that operates 24 hours per day and 365 days a year 1. If the LED bulbs are not repnirable, under free warranty replacement, what is the total expect- ed warranty cost for the 100 bulbs of each has a warranty period of 5 years? 2. If the LED bulbs are repairable, under free warranty replacement, what is the total expected warranty cost for the 100 bulbs if each has a warranty period of 5 years, given that the aver- age repair cost for each bulb is $107 3. If the LED bulbs are not repairable, under partial (pro-rota) warranty replacement, what is the total expected warranty cost for the 100 bulbs if each has a warranty period of 5 years, given that the selling price of each bulb is $107