What is being advertised?

Interest-free credit and you don’t have to pay a penny for a whole year! That’s the amazing Summer Sale offer at Morrison’s，but it must end this week. Save up to 60% on kitchens and bathrooms. You want the very latest oven technology，combined with superbly styled cupboards and worktops? We’ve got it！ You want a power shower and luxury home sauna? Look no further! You can spread the payments over two years，without paying one cent in interest，so call in at a showroom near you for more details and fantastic deals——only at Morrison’s.
Number 77.What is being advertised?
Number 78.How much should one pay in the first year?
Number 79.What can you do at the showroom?