Sunripe Inc. is a highly successful apple grower in the Okanagan. An important share of the companys revenues is attributed to the production and sale of apple juice. Apples store well in refrigerated rooms which allows for a relatively uniform production throughout the year. The following electricity costs have been recorded for 2020:

Month	Litres of Juice Produced	Electricity Costs
January	35,000	$23,400
February	21,000	22,100
March	22,000	19,000
April	24,000	22,450
May	30,000	22,900
June	32,000	23,350
July	40,000	28,000
August	30,000	22,800
September	30,000	23,000
October	28,000	22,700
November	41,000	24,100
December	39,000	24,950

Required:

1. Use the high-low method to estimate Sunripes electricity cost behavior and express it in equation form.

2. Use the least-squares regression method to estimate Sunripes electricity cost behavior and express it in equation form.

3. Using the two methods above, predict the energy cost for a month in which 26,000 liters of apple juice are produced.

4. Which method would you recommend Sunripe use for estimating its costs? Explain your answer.