You make signs are buy LED lighting for your signs. You expect to use $250,000$ strands of LED lights this year based on past usage. When you place a purchase order, administrative cost to manage that order is $$200.$ LED light strands cost $$20$ each and your inventory holding rate is $20\%.$ Calculate the following. Show all your work. Lead time is $3$ days and there $360$ days$/$year$.$ What is the EOQ? What is the ROP? What is the APC?