Create a histogram for "Quantity." Ensure that the counts are on the y axis. Create a scatterplot for "Quantity and Sales." Ensure that "Quantity" is the x variable and "Sales" is the y variable. Create a scatterplot for "Quantity and Costs." Ensure that "Quantity" is the x variable and "Costs" is the y variable. Run simple linear regression analyses for "Quantity and Sales." Ensure that "Quantity" is the x variable and "Sales" is the y variable. Summarize the regression results using an appropriate R command