The controller of Carla Vista Production has collected the following monthly expense data for analyzing the cost behavior of electricity costs. Total Electricity Costs Total Machine Hours
January $2,650 200
February 3,100 320
March 3,570 450
April 4,750 695
May 3,160 500
June 4,910 750
July 4,130 630
August 3,810 580
September 5,060 680
October 4,390 610
November 3,290 320
December 8,920 770
(a) Determine the fixed and variable cost components using the high-low method.
(b) What electricity cost does the cost equation estimate for a level of activity of 450 machine hours?
(c) What electricity cost does the cost equation estimate for a level of activity of 750 machine hours?

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

On analyzing her company’s goods transport route, simone found that they could reduce transport costs by a quarter if they merged different transport routes. what role (job) does simone play at her company? simone is at her company.

Most economists report the elasticity of demand asa. the absolute value of the actual number.b. a negative number, since price and quantity demanded move in opposite directions.c. a percentage, since both the numerator and denominator are percentages.d. a dollar amount, since we are measuring the change in price.