Flower Co. has provided you with the following information for utility costs for the past 5 months: Month January February March April May 1,000 1,200 800 900 1,300 1,200 1,300 1,100 1,000 1,450 Assume an equation to estimate mixed costs is Y=500+.5(x). What is the estimated total cost if 1,200 units are produced? a) 1,100 b) 500 c) 1,000