Fill in the blanks with prepositions. 1. several __ our customers have recently expressed interest __ your garments and have enquired their quality. 2. we can give a discount __3% __ payment days date __ invoice. 3. we look forward __ doing business you __ the near future. 4. we would be grateful if you advise us __ the terms __ payment. 5. a year ago we purchased a consignment __ steam irons. we would like to know if you can offer your new model __ the same price range. 6. there are prospects __ good sales your black & decker chain saws. 7. placing a firm order i would appreciate it if you send me a selection __ raincoats __ a 60 days' consignment. 8. any __ the items unsold the end __ the period will be returned __ our expense. 9. as we have not done any business together will you please give me the name __ a bank __ which we may refer. 10. as soon as we receive your references we will be happy to send you a good selection __ the items you are interested