Please explain how you came to your conclusion.

Product X is manufactured under conditions of perfect competition by two groups of manufacturers: manufacturers from City A and manufacturers City B. Consumers in the industry are interested in spending a fixed amount to purchase the product. Manufacturers from City A Improved their production technology. Therefore:

A. The price of the product in the market has decreased and the expenses of consumers to purchase the product have decreased.

B. The quantity produced in City A will increase exactly the same size as the quantity produced in City B will decrease.

C. It is not possible to know about the revenue of the manufacturers in City A, but the revenue of the manufacturers in City B will decrease.

D. Manufacturers 'revenue in City A will increase, while manufacturers' revenue in City B will decrease by less than the increase In the revenue of the manufacturers in City A.

E. Answers A-D are incorrect