winter

spring

summer

fall

thank you !

North Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be: D = 77.0 + 0.430, where Q refers to the sequential quarter number and Q = 1 for winter of Year 1. In addition, the multiplicative seasonal factors are as follows: Factor (Index) 10.80 Quarter Winter Spring Summer Fall 1.10 1.50 0.60 In year 26 (quarters 101-104), the energy use for each of the quarters beginning with winter is (round your response to one decimal place): Quarter Winter Energy Use