【单选题】Henry ____ a rich man today if he had been more frugal(节俭的) in the past.
【单选题】Henry ________ a rich man today if he had been more careful in the past.
【单选题】Henry ______ a rich man today if he had been more frugal in the past.
【单选题】Henry______a rich man today if he had been more careful about his investment in the past.
【判断题】作业成本法的指导思想是:“成本对象消耗作业,作业消耗资源”。( )