Consider the regression equation 
and the data below: 
Compute the predicted value for sales for period 6 and 7.
Definitions:
Wager Amount
The sum of money placed in a bet on the outcome of an event with an uncertain result.
Risk Premium
The extra return above the risk-free rate demanded by investors for holding riskier assets.
Expected Cost
The forecasted or anticipated cost of undertaking a project, investment, or any financial activity, considering all possible outcomes and their probabilities.
Expected Income
Expected income refers to the amount of money an individual anticipates earning over a specified future period, taking into account various factors such as salary, investments, and other sources of income.
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