Ashley wants to calculate the gross margin from January to June and for the year to date. Provide this information as follows:

a$.$ In cell B$6,$ enter a formula that divides the value in cell B$5($the gross profit for January$)$ by the value in cell B$4($the revenue in January$).$

b$.$ Use the Fill Handle to fill the range C$6$:H$6$ with the formula in cell B$6$ to find the gross margin for February to June and for the year to date.