A client needs to save $13000 dollars in 7 years. If they invest at $LaTeX: \displaystyle 2.4$ % compounded monthly, how much do they need to invest today?

Using the forumla for present value $LaTeX: \displaystyle PV = \frac{13000}{ (1 + (0.024/12))^{84} } = 10991.44$ dollars.