The answer is letter C.) 603.40
The minimum required score can solved using the equation
<span>MRS = mean + (zscore)(SD)
where z score of 0.03 is 1.88
</span>MRS <span>= </span>500 + (1.88)(55)
MRS = <span>603.40
</span>
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The answer would be -40 because (-4)*(-2)=8. Then 8*(-5)=-40
$200 - 20% savings equals $160 total price
Tax is 6.5%
160X.065 = $10.40 for tax