It's kinda late for this kind of joke, but I'm still going to go ahead and post it. :)
An apartment owner told me to plant Christmas trees for him in the central plaza. He told me to plant 7 rows of 6 Christmas trees each, and gave me $4200 dollars to buy the trees, and an extra $500 dollars for my help. I bought the Christmas trees for $100 each and planted 7 rows of 6 Christmas trees. I turned a profit of approximately 2500 bucks. How did I do it?