SheffieldCompany purchased equipment for $237,200on October 1, 2020. It is estimated that the equipment will have a useful life of8years and a salvage value of $14,000. Estimated production is36,000units and estimated working hours are20,000. During 2020,Sheffielduses the equipment for500hours and the equipment produces1,000units.

Compute depreciation expense under each of the following methods.Sheffieldis on a calendar-year basis ending December 31.(Round rate per hour and rate per unit to 2 decimal places, e.g. 5.35 and final answers to 0 decimal places, e.g. 45,892.)

(a)Straight-line method for 2020$

enter a dollar amount

(b)Activity method (units of output) for 2020$

enter a dollar amount

(c)Activity method (working hours) for 2020$

enter a dollar amount

(d)Sum-of-the-years'-digits method for 2022$

enter a dollar amount

(e)Double-declining-balance method for 2021$

enter a dollar amount

PaulSilver, owner of SculpturesInternational, just initiated a new art project. The following data are available for theproject:

Activity

Activity Time (days)

ImmediatePredecessor(s)

A

2

B

2

C

4

A

D

2

B

E

2

C, D

a. Choose the correct network diagram for the project.

A.

Start

Finish

A

2

B

2

C

4

E

2

D

2

x y graph

Your answer is correct.

B.

Start

Finish

A

2

B

2

C

4

E

2

D

2

x y graph

C.

Start

Finish

A

2

B

2

D

2

E

2

C

4

x y graph

D.

Start

Finish

A

2

B

2

D

2

E

2

C

4

x y graph

b. Determine the critical path and project duration.

The critical path is path Upper A dash Upper C dash Upper E

A-C-E

and the project duration is

8

8 days. (Enter your response as an integer.)

c. Calculate the slack for each activity. (Enter your responses as integers.)

Slack

(days)

Activity

A

nothing

B

nothing

C

nothing

D

nothing

E

nothing

Enter your answer in the edit fields and then click Check Answer.