It would be (C) Spain and France.
The equilibrium is the price that comes out from adding all the direct related costs in producing the good or service. To this total you have to add the indirect costs, for example, taxes, salaries, etc. Add up both results and you will have the price.
The equilibrium price is the price that covers all your expenses, both direct and indirect. With this price you do not lose nor earn any money.
Answer: while hiding Luther disguised himself as a nobleman, grew a beard and called himself "Junker Jörg". He was safe in the Wartburg, a strong fortress on the top of a mountain, under the protection of the local prince.
Explanation: