Exhibit 18

question 10

Short Answer

Exhibit 18.8.Quarterly sales of a department store for the last 7 years are given in the following table. The Excel scatterplot shown above indicates that the quarterly sales have an increasing trend and seasonality.Therefore,the linear regression model,Sales = β₀ + β₁Qtr1 + β₂Qtr2 + β₃Qtr3 + β₄t + ε with three seasonal dummy variables Qtr1,Qtr2 and Qtr3,and the decomposition method are proposed to make sales forecasts.For the regression model,the following Excel partial output is available. Refer to Exhibit 18.8.Using the regression equation for the linear trend model with seasonal dummy variables,what is the sales forecast for the first quarter of Year 8?

---

Definitions:

Collateral Mortgage

A type of mortgage where the borrower provides collateral other than the purchased property to secure the loan.

Building Mortgage

A type of loan specifically used for the purchase, construction, or improvement of buildings, secured by the building itself.

Acceleration Clause

A contractual clause that allows a lender to demand immediate repayment of all outstanding loans if certain conditions are violated.

Foreclosure

A legal process by which a lender attempts to recover the balance of a loan from a borrower who has stopped making payments, often resulting in the forced sale of the asset used as collateral.