假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。 增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。 删除：把多余的词用斜线（\）划掉。
修改：在错的词下面画一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Dear Ms. Helen,
I am pleasing to offer you the position of after-sales manager in our company starting on 16 June, 2016. You were given the right to discuss this offer and to seek advices on the attached proposed agreement with your family, a lawyer, or someone else you trust. Unless you want some information on your employment rights, you can also contact the Employment Service Office or visiting our website.
Also, if you disagree this offer or wish to clarify something in it, please ring myself to discuss any issue you wish to raise.
If you are happy with the proposed terms and wish to accept an offer of employment, please sign this letter and return it to me by 1 June, 2016. In case of I have not heard from you by that date, this offer will be automatical withdrawn.
Li Hua