The table compares the average daily temperature and ice cream sales each day.




Temperature ( ${ }^{\circ} F$ )
Ice Cream Sales

58.2
\$112

64.2
\$135

64.3
\$138

66.8
\$146

68.4
\$166

71.6
\$180

72.7
\$188

76.2
\$199

77.8
\$220

82.8
\$280






Using technology, determine the line of fit, where $x$ represents the average daily temperature and $y$ represents the total ice cream sales. Round values to the nearest tenth.


A$\hat{y}=3.8 x-109.2$
B$\hat{y}=-3.8 x-109.2$