A Regression Model Between Sales (Y in $1000), Unit Price

Multiple Choice

A regression model between sales (y in $1000) , unit price (x₁ in dollars) , and television advertisement (x₂ in dollars) resulted in the following function: ​ = 7 - 3x₁ + 5x₂​​
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For this model, SSR = 3500, SSE = 1500, and the sample size is 18.The multiple coefficient of determination for this problem is​

A) ​.4368.
B) .7000.
C) .3040.
D) .2289.