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The regular subscription rate for satellite TV service from Company S is $70 per month. The company offers new subscribers a one-year promotional rate consisting of a flat fee of $45 for the first 6 months of service and a fee of $42.50 per month for the next 6 months. If a new subscriber pays the promotional rate for the first year of service and then pays the regular rate for the second year of service, what is the percent increase in the total annual cost of service from the first year to the second year?
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· 相关考点
2.4.4 增/降幅百分比的计算
2.4.4 增/降幅百分比的计算
以上解析由 考满分老师提供。
