Among workers the awnser is ?
<em><u>It Depends On the House You Live in.If You Live In A mansion,Most Of them Cost About 75,0000$. If You live in A semi-Mansion,It Will cost You about 40,000$.If You Live In a Large House,It will cost you about 10,000.</u></em>
<em><u>Wish You good time studying!</u></em>
<em><u>(if its not clear,Report me,Thats you job) </u></em>
Answer:
Technological substitution.
Explanation:
Technological substitution is basically the substitute to another option product of technology.
1.perfect competition
2.monopolistic competition
3.oligopoly
4.monopoly