Manero Company included the following information in its annual report: 2019 2018 2017Sales $ 178,400 $ 162,500 $ 155,500 Cost of goods sold 115,000 102,500 100,000 Operating expenses 50,000 50,000 45,000 Operating income 13,400 10,000 10,500 In a trend income statement for 2017, where 2017 is the base year, sales are expressed as:.a) 84.4%b) 150.5%c) 92.6%d) 100.0%

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.