radovilsky manufacturing​ company, in​ hayward, california, makes flashing lights for toys. the company operates its production facility days per year. it has orders for about flashing lights per year and has the capability of producing per day. setting up the light production costs ​$. the cost of each light is ​$. the holding cost is ​$ per light per year. part 2 ​a) what is the optimal size of the production​ run? enter your response here units ​(round your response to the nearest whole​ number). part 3 ​b) what is the average holding cost per​ year? ​$ enter your response here ​(round your response to two decimal​ places). part 4 ​c) what is the average setup cost per​ year? ​$ enter your response here ​(round your response to two decimal​ places). part 5 ​d) what is the total cost per​ year, including the cost of the​ lights? ​$ enter your response here ​(round your response to two decimal​ places).