Use the following to answer the next 4 questions Suppose gold mining in the US was a perfectly competitive industry with N = 40 firms. Over the years Mr. Barrick purchased the all individual gold mines. The industry is now a monopoly owned by Mr. Barrick $ 70 60 40 30 MC = AC 10 20 30 40 50 60 Q MR 32) The profit Mr. Barrick earns as a monopolist is a. $700 b. $600 c. $900 d. $1000 e. none of the above 33) Before Mr. Barrick monopolized the industry, the total industry output of N = 40 competitive firms was Q = a. 20 b. 30 c. 40 d. 60 e. none of the above 34) After monopolization price per unit increased by a. 20 b. 30 c. 40 d. 60 e. none of the above 35) What is the extent of inefficiency (DWL = loss of total surplus) as a result of monopolization of what used to be a competitive industry? a. 450 b. 400 c. 500 d. 350 e. none of the above

1. revising for conciseness - eliminating flabby expressions, limiting long lead-ins, and dropping unnecessary fillerstime is money in any business environment. people want information communicated quickly and clearly. to make your writing more concise and understandable, avoid flabby expressions, long lead-ins, and unnecessary fillers. your audience will appreciate your brevity.1. if your writing contains a flabby expression like in view of the fact that, replace it with the word because / although / probably .for each of the following two sentences, choose the best revision.2. i am sending you this letter to inform you that we have experienced an unexpected surprise within our expense sheet, but we are positively certain we will solve it.1) we need to inform you that we have experienced an unexpected surprise with our expense sheet, but we are midway to an end result.2) we have identified a problem with our expense sheet, but we will solve it.3) i am sending you this letter to inform you that we have a problem with our expense sheet, but we are positively certain we have a solution.3. it is the user who should contact the center.1) everyone knows that it is the user who should contact the center.2) the user should contact the center.3) if there is a problem, the user should contact the center. read the following passage, and then answer the question.[1] you scheduled seven conference calls for this morning between 10 and 11 a. m. [2] generally, the company limits the number of conference calls to three per hour. [3] i’m letting you know that in the future, we should be more careful about scheduling.4. which revision limits the long lead-in in sentence 3? 1) in the future, we should be more careful about scheduling.2) i’m letting you know so that in the future we are more careful about scheduling calls.3) so that you know in the future, we should be more careful about scheduling.