In literature, a foil is a secondary character who has some…

In literature, a foil is a secondary character who has some basic things in common with the protagonist, but contrasts with the protagonist in important ways to highlight particular qualities of the protagonist. In Act 4, which character could be read as a foil for Othello?

The existing spot rate of the Canadian dollar is $.82. The p…

The existing spot rate of the Canadian dollar is $.82. The premium on a Canadian dollar call option is $.04. The exercise price is $.81. The option will be exercised on the expiration date if at all. If the spot rate on the expiration date is $.86, the profit as a percent of the initial investment (the premium paid) is: