How Should the Loan Officer Interpret the Coefficient on X₃

Multiple Choice

How should the loan officer interpret the coefficient on x₃?

A) For every additional $8,000 spent on advertising,we would expect the total dollar value of residential loans to increase by $1,000,000 on average,assuming that all the other independent variables in the model are held constant.
B) For every additional dollar spent on advertising,we would expect the total dollar value of residential loans to increase by $0.08 million,assuming that all the other independent variables in the model are held constant.
C) For every additional $80,000 spent on advertising,we would expect the total dollar value of residential loans to increase by $1,000,000,assuming that all the other independent variables in the model are held constant.
D) For every additional $1000 spent on advertising,we would expect the total dollar value of residential loans to increase by $80,000 on average,assuming that all the other independent variables in the model are held constant.