Four friends want to take a vacation together, so each one gets a part-time job. Each person has 8 weeks to save $720 for the vacation. Analyze the four individual plans below and decide which of the four people will reach his or her goal of saving $720 for vacation. Friend A: Works 13 hours per week at $6.95 per hour. Friend B: Works 15 hours per week at $5.85 per hour. Friend C: Works 18 hours per week at $5.25 per hour. Friend D: Works 11 hours per week at $7.80 per hour. a. A and C b. A and D c. B and C d. B and D