Brick company decides to change its inventory cost flow method from fifo to lifo. what course(s) of action must brick take to be in conformity with gaap?

The answer is noted disclosure and effect on net income.
In accounting, disclosure contains note worthy  attachment that exist on organization's financial statement.
The things that're considered important enough to be included in disclosure should only the one that could influence the financial result significantly, such as the inventory recording method or when to recognize income.

Part a:  What will be the equilabrium price that Dumphy and Funke will charge?

Price charged = $30

Part b: What are the profits for Dumphy and Funke at the equilibrium price?

Profit on equilibrium price = $0

Part c: What type of competition would Funke and Dumphy likely engage in after the decrease in demand?

Price competition

Explanation:

Part a:  What will be the equilabrium price that Dumphy and Funke will charge?

Price charged by each of the artists will be equal to their marginal cost.

Thus, equilibrium P = MC = $30.

Part b: What are the profits for Dumphy and Funke at the equilibrium price?

Equilibrium profits will be 0 at the equilibrium because price charged is equal to MC, leading to no profits.

Part c: What type of competition would Funke and Dumphy likely engage in after the decrease in demand?

Price competition - as changes in price will lead to changes in demand and thus sales