This is saying we have the $3,000 from the first month, and then we have the additional from month, between months one and month five. So that's not that, so this better be our choice. By the end of the fifth month, Julia had made a total of $19,000. Yes, that is correct. She made $3,000 in month one, and then as we go between month one to the end of month five, to the end of the fifth month, she has made a total of $19,000. Let's do another one of these. So here we're told the function K of t gives the amount of ketchup in kilograms produced in a sauce factory by time in hours on a given day.