{
 "input": {
  "nightly": 0,
  "cleaning": 0,
  "pet": 0,
  "nights": 1,
  "oldRate": 0.08,
  "mode": "pass"
 },
 "new_rate": 0.12,
 "new_prices": {
  "nightly": 0,
  "cleaning": 0,
  "pet": 0
 },
 "stay_total_before": 0,
 "stay_total_after": 0,
 "take_home_before": 0,
 "take_home_after": 0,
 "change": 0,
 "formula": "new = old x (1 - old_rate) / 0.88, rounded up to the cent"
}