A dealer bought computers for $1240 less 50% and 10%. They were sold for $1395. (a) What

Question:

A bought computers for $1240 less 50% and 10%. They were sold for $1395.
(a) What was the markup as a percent of cost?
(b) What was the markup as a percent of selling price?
Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the...