增量现金流分析

def solve(____):
    incremental_ocf = new_ocf - old_ocf
    book_value = ____
    tax_on_sale = (____) * tax_rate
    net_salvage = salvage_old - tax_on_sale
    net_investment = initial_cost - net_salvage
    return {"____": round(____), "____": round(____)}