Generate a multiple regression line for the following data where y is sales ($000), is money spent on decorating the store ($000), and is area of the store (hundreds of square feet). The owner is...

Generate a multiple regression line for the following data where y is sales ($000),

is money spent on decorating the store ($000), and
is area of the store (hundreds of square feet). The owner is trying to determine how much he can expect in sales from a store that is 4,000
. and will require

worth of decorating. Can you help him out?