The Tech power plant burns coal and natural gas to generate steam and electricity for all campus buildings. The annual coal consumption at the plant has increased annually for the past 6 years due to an aggressive campus building program. The following table shows the annual coal consumption: Year Coal Consumption (tons) 1 25000 2 23000 3 28000 4 35000 5 37000 6 42000 Develop a linear trend model to forecast coal consumption for