A company discovers that to produce x = 660 new electronic parts, it will cost y = $51,080. To produce 850 new electronic parts, it will cost $63,050.Compute the slope of the costs and choose the most accurate statement from the following:Costs are decreasing at a rate of $63 per item.Costs are increasing at a rate of $64 per item.Costs are decreasing at a rate of $57 per item.Costs are increasing at a rate of $57 per item.Costs are increasing at a rate of $63 per item.Costs are decreasing at a rate of $64 per item.