Determine the break-even prices at expiration for the following:

[2] a. A covered call write formed by purchasing ABC stock at $45 and selling an ABC 50 call at $4.

[2] b. A covered put write formed by selling ABC stock short at $45 and selling an ABC 50 put at $6.

[2] c. A stock insurance strategy formed by purchasing ABC stock at $48 and buying an ABC 50 put at $4.