Hara corporation is a wholesaler that sells a single product. management has provided the following cost data for two levels of monthly sales volume. the company sells the product for $159.80 per unit. 6,000 7,000 sales volume (units) cost of sales selling and administrative costs s 363,600 424,200 s 531,000 s 547,400 the best estimate of the total variable cost per unit is: a) $77.00 b) s60.60 c) s149.10 d) s138.80 5) maintenance costs at a straiton corporation factory are listed below: machine- hours 3,627 maintenance cost s 54,384 s 53,980 s 54.453 s 54.491 53,843 54,196 s 54,550 s 54,181 s 54,767 march 3,637 3,638 ,572 3.611 3,644 3,609 3,669 may june august october november management believes that maintenance cost is a mixed cost that depends on machine-hours. use the high-low method to estimate the variable and fixed components of this cost. compute the variable component first and round off to the nearest whole cent. compute the fixed second and round off to the nearest whole dollar. these estimates would be closest to: a) s0.10 per machine-hour, $54,382 per month b) s15.00 per machine-hour, $54,316 per month c) $9.12 per machine-hour; $21,309 per month d) $9.53 per machine-hour; $19,801 per month 6) deidoro company has provided thefollowving data for maintenance cost prior year curren year machine hours maintenance cost 8,000 26,600 10,000 s 31,000 maintenance cost is a mixed cost with variable and fixed components. the fixed and variable components of maintenance cost are closest to: a) $26,600 per year; $3.10 per machine hour b) $9,000 per year; $2.20 per machine hour c) $9,000 per year; $3.10 per machine hour d) s26,600 per year $2.20 per machine hour

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.