Answer:

And for the new case we know that the sales increase by a factor of 2%, so then we can find the new number of sales like this:

And the Total August sales would be given by:

And the correct answer for this case would be:
$63,750
Step-by-step explanation:
For this case the original number of sales for this case is 5000 units and the unitary price is given by

And the total sales for the original case would be given by:

And for the new case we know that the sales increase by a factor of 2%, so then we can find the new number of sales like this:

And the Total August sales would be given by:

And the correct answer for this case would be:
$63,750