Bring back ship payment plans!

Ok so this one is very simple, in GalCiv2 you could rush/buy ships on a payment plan, meaning it wasn't all a lump sum payment and it would be paid over time with interest. Can we please have this option/feature back? It brings up really interesting tradeoffs in terms of whether the interest payment is worth the time bonus from pumping out a ship earlier among other things. Also allows financing of fleet upgrades over time and brings in the idea of deficit spending.