单选题 A certain company has records stored with a record-storage firm in 15-inch by 12-inch by 10-inch boxes. The boxes occupy 1.08 million cubic inches of space. If the company pays $0.25 per box per month for record storage, what is the total amount that the company pays each month for record storage?

【正确答案】 A
【答案解析】[解析] 首先应算出该公司共有多少盒的唱片被保管:
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所以该公司总共应付的钱为600×0.25=150美元。