Pinnacle Corp is acquiring Redwood Inc. Trading comps suggest Redwood's standalone enterprise value is $420 million. Pinnacle estimates annual cost synergies of $35 million (90% achievable) and revenue synergies of $20 million (50% achievable). Using a WACC of 9% and assuming synergies are a perpetuity, the maximum price Pinnacle should pay for Redwood is closest to: