The sentences below were overheard at a trade fair. Work with a partner to decide whether the speakers work in purchasing or sales. 

a Could you tell us about the payment options?

b. Would you please give me some background about your company?

c. You'll find all our brochures on the table over there. 

d.  How much does this cost if we order 500?

e.  Are there any other questions we need to talk about?

f. Would you need any additional features?

g  Does you sub-contractor also have a stand here?

h  When could we arrange a presenation of our products for you?

i  What guarantees do you provide?

j. Let me give you my card.