Financial security means being economically stable and having enough money saved to cover emergencies and future financial goals. It allows for emergency expenses not to break the bank but rather have little effect on the bigger picture.
I would say B. All resources are limited and cannot meet all needs and wants hence the term first come first serve also timing and who has the most to obtain that resource at the given time.
The Consumer Price Index (CPI) will show whether there is inflation of cost. Based on this, you can decide whether the price of a soda has increased or decreased.