Economic

This is a single question with multiple parts.

Tech firms produce goods and services from labor and energy. The total cost in dollars to produce y amount of goods and services for each firm j is cj(yj) = 31?. There are 100 identical tech firms which all behave competitively. A. 0.0:! F" What is the individual supply of technological goods and services? What is the market supply of technological goods and services? . Suppose the demand curve for these goods is D(p) = 200 50p. What is the equilibrium price and quantity sold? . How much is the total surplus of this economy? Now suppose that the industry makes a one-time investment for $K amount of dollars to innovate in a new technology of production that allows every firm to reduce its cost of production to a 1/4 fraction of the previous cost. What is the new total surplus of the economy? Who is benefiting the most from the industry innovation? Is it reasonable to assume that in the long-run $K is exactly equal to the size of the industry profits? Why