The connors company has assembled the following data pertaining to certain costs that cannot be easily identified as either fixed or variable. connors company has heard about a method of measuring cost functions called the high-low method and has decided to use it in this situation. cost hours $ 24,000 6,000 $ 26,000 6,450 $ 34,900 7,650 $ 42,000 12,000 $ 38,600 9,600 what is the estimated total cost at an operating level of 8,200 hours? a. $ 28,700 b. $ 30,600 c. $ 24,600 d. $ 32,800

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.