Ziba, Inc Has Provided the Following Information Regarding Their Sales for for January

Essay

Ziba, Inc. has provided the following information regarding their sales for January through December of 2009. (Part of the data file is shown below.) The results of the regression analysis relating these variables are shown below.
a.The company is planning to increase their advertising by 5% per month for the months of January and February of 2010. What would be the advertising for January and February of 2010? Give your answers in dollars.
b.Use the regression model that is provided above and forecast sales for January and February of 2010, assuming the company increases their advertising by 5% per month for the months of January and February of 2010. Show your computations and write your answers in dollars below.