1. The following table gives the size and cost of a line of Samsung LCD HDTV televisions. Screen size (inches) 23 27 32Cost ($) 250.00 340.00 420.00 (a) Name your variables (x, y, etc.) and find the best fitting linear model. (Round coefficients to the nearest hundredth.)(b) What is the significance of the slope? Give a full explanation.(c) Use your model to estimate the cost of the new 42 inch television.