Required information 10 (The following information applies to the questions displayed below] po Travis Metals heats copper ingots to a high temperature by placing them in a large oven. The heated ingots are then run through a shaping machine that forms them into wire. Due to the length of time it takes the oven to beat up, it is never turned off. When the ingots are placed in the oven the temperature is raised to a higher level. Once they are done being heated the oven temperature is turned back down until a new batch of ingots is ready to be heated. The following information shows the ingots processed and the power costs over the past 10 months Meth Teguts Power Cost January February 134 304 $5,000 $4,900 April 114 $5,500 July M $4,500 11,700 11,900 Required 2. Chang the high-low method, estimate a cost formula for power costs Express the formula in the form Y-a-b Check