1. if the total expenses of being a full-time college student for one year adds up $17,000, and that student could have earned $20,000 working full time during the same year, then the student's opportunity cost for the year of college would be?

A. $37,000

B. $20,000

C. $3,000

D. $17,000

2. when quantity supplied exceeds quantity demanded, a _____ occurs, putting _____ pressure on the price.

A. Suplus; downwards

B. Surplus; upward

C. shortage; downward

D. shortage; upward