Use the "goal seek" function in Excel to determine how many customer meals $($in total and by product line$)$ must be sold to earn

$$126,000$ in net operating income. Hint: Use the "goal seek" function to change net operating income to $$126,000$ by changing only

the cell that contains the total number of customer meals sold.

a$.$ How many total meals must be sold to earn $$126,000$ in net operating income?

Total meals

b$.$ How much total sales is required to earn $$126,000$ in net operating income?