The cost of living in this city is very high.

He achieved success at the cost of his personal life.

This will cost Euro30.

I will protect my family at all costs.

I will do whatever it takes to achieve my goals, at any cost.

The introduction cost of the new software is quite high.

Understanding opportunity cost is essential in making informed decisions.

The variable cost of production is directly proportional to the quantity produced.

The cost accountant is responsible for calculating and analyzing the production costs.

The cost clerk is responsible for tracking and analyzing expenses.