Sarah was supposed to pay Jasmine $$4,700,6$ months ago, and $$1,580,5$ months from now. If she wants to reschedule these payments with two payments, one payment of $$3,900$ today and the balance $3$ months from now, calculate the balance amount. Assume that the simple interest charged is $6\mathrm{.}75\%$ p$.$a$.$ and the agreed focal date is $3$ months from now.

Round to the nearest cent