Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
What affects 4K Ultra HD Smart TV sales? TVs are sold through a variety of outlets. Sales figures (number of units) for the Samsung 7 Series were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Samsung 7 Series (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the results.
-Using the estimated multiple regression model, the number of units sold on average at a store that sells the Samsung 7 Series for $2199 and spends 10% of its advertising budget on the product is

A) 53.94 ≈ 54 units.
B) 120 units.
C) 66.94 ≈ 67 units.
D) 90.34 ≈ 90 units.
E) 689 units.