The following information reflects some financial data from Knights, Inc., an agribusiness supply store in Parkersburg, WV. The information shown in for several years, namely 2017 , 2018 and 2019. Instructions a. Calculate the percentage change in net sales from 2017 to 2018 and 2018 to 2019 (round all computations to one decimal place). Is Knights, Inc. improving over time? Explain your answer. b. Calculate the percentage change in net sales per square foot of selling space from 2017 to 2018 and 2018 to 2019 (round all computations to one decimal place). Is Knights, Inc. improving over time? Explain your