Exhibit 11.4
The following questions use the data below.
Joe's Sporting Goods wants to forecast quarterly sales figures using the additive seasonal method. The store has collected 12 quarters of data and needs your help to analyze the data. 
-Refer to Exhibit 11.4. What are predicted sales for time period 13 using the data in the spreadsheet?
Definitions:
Effective Annual Rate
The interest rate on a loan or investment, adjusted for the effect of compounding over a given period.
Compounded Annual
The process of calculating interest on both the initial principal and the accumulated interest from previous periods on a deposit or loan.
Nominal Rates
The stated interest rate on a loan or investment, not accounting for inflation or compounding effects.
Real Rates
Real rates refer to the interest rates adjusted for inflation, representing the true cost of borrowing or the real yield on an investment.
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