You and your friends have decided to build a skateboard ramp behind your house. you have already purchased $400 in materials and are considering renting an electric saw.
it costs $20/hour to rent an electric saw. you estimate it will take 6 hours to build the ramp. if you decide to use your saw, which is a handsaw, you will not have to pay anything to rent an electric saw, but it will take 15 hours to build the ramp. regardless of the decision, you will need to ask for time off from your job, which pays $10/hour.
based on the information provided above, answer the following questions.
(a) if you use your handsaw, the explicit costs of the ramp are $ ?
(b) the explicit costs of the ramp are $? if you rent an electric saw.
(c) if you use a handsaw, the implicit costs of the ramp are $ ?
.
(d) if you rent an electric saw, the implicit costs of the ramp are $?
.
(e) it is economically cheaper to a.)rent an electric saw or b.) use the handsaw
.

Oceanside marine company manufactures special metallic materials and decorative fittings for luxury yachts that require highly skilled labor. oceanside uses standard costs to prepare its flexible budget. for the first quarter of the year, direct materials and direct labor standards for one of their popular products were as follows: direct materials: 2 pound per unit; $ 11 per pound direct labor: 2 hours per unit; $ 19 per hour oceanside produced 2 comma 000 units during the quarter. at the end of the quarter, an examination of the direct materials records showed that the company used 7 comma 500 pounds of direct materials and actual total materials costs were $ 98 comma 100. what is the direct materials cost variance? (round any intermediate calculations to the nearest cent, and your final answer to the nearest dollar.)

Lin corporation has a single product whose selling price is $136 per unit and whose variable expense is $68 per unit. the company’s monthly fixed expense is $32,400. required: 1. calculate the unit sales needed to attain a target profit of $5,000. (do not round intermediate calculations.) 2. calculate the dollar sales needed to attain a target profit of $8,400.

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.