Burgans Furniture has asked the Create America Advertising Agency to develop a new advertising campaign. The Burgans marketing manager, Megan Hubble, decides to evaluate the effectiveness of the advertising campaign. Megan collects data on monthly sales before and during the advertising campaign. The results are in Sheet 43. Using 0.05 significance level, test to determine if the advertising campaign was effective.

Varto company has 9,400 units of its sole product in inventory that it produced last year at a cost of $23 each. this year’s model is superior to last year’s, and the 9,400 units cannot be sold at last year’s regular selling price of $42 each. varto has two alternatives for these items: (1) they can be sold to a wholesaler for $8 each, or (2) they can be reworked at a cost of $251,100 and then sold for $34 each. prepare an analysis to determine whether varto should sell the products as is or rework them and then sell them.