An airline advertisement states, To get the special fare you must purchase your tickets between January 1

An airline advertisement states, €œTo get the special fare you must purchase your tickets between January 1 and February 15 and fly round trip be-tween March 1 and April 1. You must depart on a Monday, Tuesday, or Wednesday, and return on a Tuesday, Wednes-day, or Thursday, and stay over at least one Saturday.€

(a) Determine which of the following individuals will qualify for the special fare.

(b) If the person does not qualify for the special fare, ex-plain why.

Xavier plans to purchase his ticket on January 15, depart on Monday, March 3, and return on Tuesday, March 18.

Gina plans to purchase her ticket on February 1, depart on Wednesday, March 12, and return on Thursday, April 3.

Kara plans to purchase her ticket on February 14, depart on Tuesday, March 4, and return on Monday, March 19.

Christos plans to purchase his ticket on January 4, depart on Monday, March 10, and return on Thursday, March 13.

Chang plans to purchase his ticket on January 1, depart on Monday, March 3, and return on Monday, March 10.