这句话英文怎么说？

Question

麻烦帮忙翻译一下下面这段话，翻译成英文，谢谢啦
：A公司的老板当初以为不开发票就可以把钱汇给我们，在付了15万之后，他们的财务才说必须要开发票，所以现在的2万块钱还在他们那边，暂时取不出来了

Answer 1

A company thought that he could send us the money without the invoice ,but after having paid 150 thousand ,their finance section said the invoice was prerequisite. so the other 20 thousand is still in their hand . we can not take it out now

Answer 2

The boss of company A had thought that they could make the payment without invoice. But after the payment of 150 thousand, their financial department claimed that invoice was necessary and thus the left 20 thousand is still in their side and not availabe temporarily.

Answer 3

the boss of the A company thought that they could pay the money without invoicing . but after they had payed 150 thousand ,their finance department said that they must invoicing . so, there is still 20 thousand left there , we cant get it temporarily .

Answer 4

The boss of A company once thought that money can be remitted to us without issuing an invoice.After having paid 150,000 yuan, their financial worker said he must issue the ivoice.Therefore,at present 20,000 yuan is still kept by them and can't be withsrawn by now.

Answer 5

挖这么多英语高手