A local tire dealer wants to predict the number of tires sold each month.He believes that the number of tires sold is a linear function of the amount of money invested in advertising.He randomly selects 6 months of data consisting of tire sales (in thousands of tires)and advertising expenditures (in thousands of dollars).Based on the data set with 6 observations,the simple linear regression model yielded the following results. 
Calculate the coefficient of determination.
Definitions:
Salvage Value
The predicted price that an asset will fetch when it is sold at the conclusion of its usable life.
Working Capital
The difference between a company's current assets and current liabilities, representing the liquidity available to run its operations.
Contribution Margin
The amount by which the sale of a product or service exceeds its variable costs, used to cover fixed costs and generate profit.
Incremental Annual Net Cash Inflows
The additional cash flow a company receives from undertaking a project, after accounting for direct costs and revenue changes.
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