Please some one help me out with this question. Thanks

Big W has recently advertised Mambo knitted jumpers on their Facebook page. A customer A Advise them of competitor's store down the road that has Mambo knitted jumpers comes in to purchase one and you realise that your store hasn't received the stock yet. The stock should be coming in next week. What do B Apologise to the customer and advise them of when you do? the new stock will come into store C Apologise to the customer and show them other brands of jumpers that they might like D Contact other Big W stores to see whether they have Mambo knitted jumpers stocked