Kim K. asks you to develop a demand forecast for her perfume line. Using the data provided, you find a regression model, y = 4 + 3.36x₁+ 5x₂, with the undernoted parameters. Kim asks you the question below - please answer her.

Parameters:R²=0.88

Sig of F:0.04

p-value of x₁=0.05

p-value of x₂=0.04

x₁denotes Consumer Income

x₂denotes Advertising

y denotes Demand

Would a unit increase in Consumer Income (x₁₎result in an increase of 3.36 units in Demand (y), on average?

a.Yes, because for a unit increase in x₁, y increases by 3.36 units on average, provided x₂kept constant

b.Yes, because for a 3.36 units increase in y, x₁increases by 1 unit

c.=

d.No, because for a unit increase in y, x₁increases by 3.36 units