2. surcharge, extra charge, additional fee or charge Customers are not willing to pay a premium. 3. bonus, reward, prize, percentage (informal), perk (Brit. informal), boon, bounty, remuneration, recompense, perquisite Shareholders did not receive a premium on the price of their shares.
The Flash is faster, which is why he's called the fastest man alive. Impulse stated that Superman can reach 99% the speed of light. Wally West (Flash) can hit the speed of light and even beyond. The Flash has the Speed Force, that's what gives him his speed.
Flash is the fastest man alive because he runs at speed of light and Superman can't catch speed of light. Read the comic book about Superman and Flash racing and it will tell you why Flash runs faster than Superman. Superman is an alien but he has soo much power and he only concentrates on flying.