笔试Numerical一题求解
关于production of 15mm buttons,July-December 的'最后一问：What was the loss in potential sales revenue attributable to the production of sub-standard (as opposed to standard) buttons over the 6 month period? 答案137.50是如何求得的。麻烦帮我解答下 谢谢谢谢！！
关于production of 15mm buttons,July-December 的'最后一问：What was the loss in potential sales revenue attributable to the production of sub-standard (as opposed to standard) buttons over the 6 month period? 答案137.50是如何求得的。麻烦帮我解答下 谢谢谢谢！！
