Drolet Manufacturing Company, in Saint-Hubert, Quebec, makes flashing lights for toys. The company operates its production facility 300 days per year. It has orders for about 12,000 flashing lights per year and has the capability of producing 100 per day. Setting up the light production costs $49.84. The cost of each light is $1.05. The holding cost is $0.10 per light per year. a) The optimal size of the production run is units. (Round your response to the nearest whole number.) b) The average holding cost per year is $. (Round your response to two decimal places.) c) The average setup cost per year is $ (Round your response to two decimal places.) d) The total cost per year, including the cost of the lights is $ (Round your response to two decimal places.)