At your price you will have an excess demand for jeans. The correct option among all the options that are given in the question is the third option. The main reason for such a situation is because the jeans producer is selling the jeans at a price which is lower than the equilibrium price. I hope this helps you.
The correct answer is a mixed economy.
A Mixed Economy is one where there is a mix of private and public enterprises present. Since the question indicated that there are private enterprises as well as public transportation and electricity, this is an example of a mixed economy.
A hydroelectric power station is a generating station that utilizes the gravitation force of water in high levels for the generation of electricity.
How it works: The kinetic energy in sources of flowing water (runoffs from springs and lakes, rivers, etc.), turns the blades in the turbines, generating mechanical energy. The turbines then turn a generating rotor which then converts the mechanical energy into electricity.
a. To have easier access to water for recreational activities which involves water activities such as swimming.
b. To be able to farm and source water for plants and animals without having to source it from a pipe which is chlorinated.
c. People would go to the water because they want to start a business like an restaurant that will depend on the water or the animals that live in the water.