Cashier: That"s $55.45 all together. ______ Customer: I"m sorry, but am I short-changed I gave you $70. A: These coins are for you, thank you. B: Here"s your change, thanks. C: Can you pay the bill, now D: This is the money back to you, thanks.

某项目合同价为50万元，约定采用调值公式法进行结算，约定合同价的60%为可调部分。可调部分中：人工费占35%，材料费占55%，其余占10%。结算时，仅人工费价格指数增长了10%，而其他未发生变化。则该工程项目应结算的工程价款为( )万元。 A: 51.05 B: 52.35 C: 55.45 D: 56.05