On Saturday morning, you rank your choices for activities, from most preferred to least preferred, in the following order: go to the library, work out at the gym, have breakfast with friends, and sleep late. Suppose you decide to go to the library. Your opportunity cost is

Work out at the gym

Explanation:

Opportunity cost of a decision is the next best alternative that would have been picked if the current decision wasn't made. For example suppose you would either eat chips or meat and you chose to eat meat. The chips are an opportunity cost of the meat.

In the same vein, the opportunity cost of going to library would be your next best (preferred) activity which in this case would be to work out at the gym.

In order words when you go to the library, you are giving up a chance to go to the gym.

correct, but each time you dont pay the price of the penalty can increase.

you can put this in your 11 sentence summary

" most of the money would be invested in innovation, economic convergence."