Mr Yeo wanted to buy a portable hard-drive, Iomega Prestige (1TB) to store the multimedia productions by the students.
While he was surfing the Internet to look for a good deal, Mr Yeo chanced upon the eBrochure of the PC Show 2011 in June.
He exclaimed, "Oops! I missed a good deal!".
Next, Mr Yeo went to the Challenger Computer Store, site and found the same product but offering at a lower price!
(1) Mr Yeo is not a member of the Challenger Store. Find the percentage he saved, compared to another friend who bought the same device at the PC Show.
(2) If Mr Yeo decides become a member (at the point of payment) to enjoy the member's price. Find the percentage he saved, compared to buying at the PC Show.