The president of a small manufacturing firm is concerned about the continual increase in manufacturing costs over the past several years. The table below provide series of the cost per unit for the firm's leading product over the past elght years. Click on the datafile logo to reference the data. DATA file (a) Choose the correct time series plot. (a) Choose the correct time series plot. (i) What type of pattem exists in the data? (b) Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series. If required, round your answers for the parameters to fouridecimal places and your answer for the MSE to two decimal places. Do not round you calculations. y-intercept,b0= Slope, b1= MSE= (c) What is the average cost increase that the firm has been realizing per year? If required, round your answer to two decimal places. 3 (d) Compute an estimate of the cost/unit for next year. If required, round your answer to two decimal places, Do not round your intermediate calculations