Plz help me in this question

[10 Points] A bee farmer estimates that the first 10,000 jars of honey produced this quarter will fetch a profit of $5/jar. But if more than 10,000 jars of honey were produced, the profit per jar for the entire lot would drop by $0.0002 for each additional jar produced and sold. Assuming that at least 10,000 jars of honey are produced and sold what is the maximum profit? How many more jars must be produced and sold to get the maximum profit