A bike assembly line in a manufacturing system uses 400 pedals per day. Pedals can be produced at a rate of 800 units per day. The shop operates 20 days a month. Assume that demand is uniform throughout the month. Setup cost is $90 for a run, and holding cost is $1 per year. What will be the optimal production run quantity (rounded to the next whole number)? 2940 units 2078 units 8990 units 4157 units 5879 units