Suppose a chain restaurant has run a major advertising campaign in the hopes of increasing monthly sales. to investigate the effectiveness of this campaign, the restaraunt randomly selected six different locations and recorded the monthly sales before and after the advertising. the following data represents these sales figures in thousands of dollars. assume population 1 is defined as sales after the advertising campaign and population 2 is defined as sales before the advertising campaign. a. what is the mean of the matched-pair differences? b. what is the standard deviation of the matched-pair differences? c. what are the degrees of freedom for this hypothesis test? restaurant 1-after $123, before $107 2-after $122, before $110 3-after $145, before $143 4-after $156, before $168 5-after $160, before $145 6-after $134, before $125

What are the forecasted levels of the line of credit and special dividends? (hints: create a column showing the ratios for the current year; then create a new column showing the ratios used in the forecast. also, create a preliminary forecast that doesn’t include any new line of credit or special dividends. identify the financing deficit or surplus in this preliminary forecast and then add a new column that shows the final forecast that includes any new line of credit or special dividend.) now assume that the growth in sales is only 3%. what are the forecasted levels of the line of credit and special dividends?

You are chairman of the board of a successful technology firm. there is a nominal federal corporate tax rate of 35 percent, yet the effective tax rate of the typical corporation is about 12.6%. your firm has been clever with use of transfer pricing and keeping money abroad and has barely paid any taxes over the last 5 years; during this same time period, profits were $28 billion. one member of the board feels that it is un-american to use various accounting strategies in order to avoid paying taxes. others feel that these are legal loopholes and corporations have a fiduciary responsibility to minimize taxes. one board member quoted what the ceo of exxon once said: “i’m not a u. s. company and i don’t make decisions based on what’s good for the u. s.” what are the alternatives? what are your recommendations? why do you recommend this course of action?

Goldman services hired a new clerk to keep custody of and maintain all the equipment in the equipment yard. the clerk has not yet been adequately trained on the maintenance needs of the equipment. which internal control procedure needs strengthening?