Answer Happy

(2021 Summer Final) A perfectly
competitive market is initially in a long run equilibrium, with n
identical firms (n can take non-integer values). The demand curve
and the short-run supply curve are given as follows.
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Supply: Q = 2P − 1 thousand units
Demand: Q = 2195 − 4P thousand units
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(a) The equilibrium price is [Answer] dollars
per unit.
(b) Continue with the last question. Suppose there is an
increase in demand such that each consumer’s willingness to pay
increases by 100 dollars, and suppose this is a constant cost
industry. Then, the quantity traded in the market is
[Answer] thousand units when the market reaches a
long run equilibrium again.
(c) Continue with the previous question. Suppose the new
entrants and the incumbent firms are all identical. After the
increase in demand, 28 new firms eventually enter the market so
that a new long run equilibrium is reached. The average cost curve
of an individual firm is minimized at q = [Answer]
thousand units.
(d) Continue with the last question. The average cost at
this quantity is [Answer] dollars per unit.