The staff told him, "$1,100 Singapore dollar."
He said, "Thanks" and walked out of the shop.
Thirty minutes later, the man came back to the shop and said, "All the other shops quoted me the same price. If you can give me a little bit higher than the rest, I will sell it to you immediately."
After taking a look at the unopened box, the staff offered $1,110.
The phone was sold.