In the following equation ŷ = 25,000 + 2 x with given sales ( γ in $500) and marketing ( x in dollars), what does the equation imply? a) An increase of $1 in marketing is associated with an increase...

In the following equationŷ = 25,000 + 2x with given sales (γ in $500) and marketing (x in dollars), what does the equation imply?

a) An increase of $1 in marketing is associated with an increase of $26,000 in sales.

b) An increase of $1 in marketing is associated with an increase of $1,000 in sales.

c) An increase of $2 in marketing is associated with an increase of $26,000 in sales.

d) An increase of $2 in marketing is associated with an increase of $1,000 in sales.