外贸函电不会写怎么办?求求你们帮帮我吧,我实在是不会写,跪求跪求~

Dear Sirs,
Thank you for your enquiry dated March 20 about our bicycle.We are pleased to make this firm offer, subject to your reply reaching us by May 10,as follows:

Article: Permanent brand bicycles
Price:US $25 per each CIF Lagos of 20 - inch men's bicycle
US $27 per each CIF Lagos of 20 - inch women's bicycle
Terms of payment:By L/C at sight to be opened
Shipment:Shipping in July or August
MOQ：1000

We are looking forward to receiving your order.

Yours faithfully,
我也是正在学这个，试着翻译了下，