Read the following article and answer the question by choosing from the options.

I ' m not sure if waiting until the very end is the best way to do something like celebrating a birthday , but they did do it before the end , which is what ended up counting . Good restaurants ( like this one ) and exceptional companies take the time to make a special occasion not only enjoyable and fun , but memorable . When you fortunate enough to have a customer decide to celebrate a special occasion at your restaurant , hotel , or business , take the time to make it special . Anything would certainly be unacceptable .

How did the establishment help the customer celebrate their birthday ?
Choose from: * They annouced her special occasion to everyone in the skating rink . * They gave her an additional free night stay in their exceptional hotel suites . * She was allowed to be the DJ for an hour to commemorate her special occasion . * They gave the customer a slice of cake with a candle and sang happy birthday ....A:
They gave the customer a slice of cake with a candle and sang happy birthday .