Mat 543 week 8 homework

MAT 543 Week 8 Homework

Chapter 12: Exercises 12-1 through 12-3 (page 248 of the passage) Chapter 13: Exercises 13-1 through 13-3 (page 269 of the passage)

12-1 Using the counsel in Table 12-7, erect a PERT network and defense each of the aftercited interrogations:

a. What is the expected contrivance problem postulates?

b. What is the scheduled set-on-foot and problem term for each air?

c. Which activities are on the exact method?

d. How hanker can nonexact method activities be delayed extraneously jeopardizing the overall problem term for this contrivance?

12-2 Assess the impression of the aftercited changes to the term estimates supposing in interrogation 12-1. Individually, what is the impression if:

Activity Predecessor New Term Estimate

O. Advertise for new staff N 4

P. Interview for new staff O 6

Q. Select new staff P 1

Collectively, what is the impression of these changes?

12-3 As contrivance overseer for the development comprised in interrogation 12-1, what would you commend to guard the ancient contrivance problem term if air A was reestimated to attention 8 weeks, not the ancient 4 weeks? Provide details.

13-1 A figurative of a creditable financial services posse has approached you as overseer of a immodest individual class of anesthesiologists after a while an turn to alienation a 10-year annuity due for each part of the class. The annuity due would pay $40,000 each year start 5 years from now (i.e., at term = 5). What is the most you would be voluntary to pay now, per each physician, for this bombardment? Assume an misspend allowance admonish of 7%.

13-2 The hospital’s marketing and finance departments bear exact supposing you, as prominent financial administrator, after a while pro forma allowance statements for your proposed sonogram hardihood. These statements show in the aftercited. Pro forma Allowance Statement (000)



t +   1

t +   2

t +   3

t +   4


Service   Revenues (net)












Depreciation   Expense

$ 35

$ 35

$ 35

$ 35


Net   Income

($   10)

$ 15

$ 20

$ 65

What is the contrivance’s IRR? Assume an modeadmonish bombardment of $175,000 and an misspend allowance admonish of 6%. The hospital is operated as a not-for-profit quickness.

13-3 The prominent loose administrator (COO) of a inferior, not-for-profit homogeneity hospital has to form a commendation to the table of trustees on choosing shapeless three contrivance options for an general talent of $250,000 that has exact been ordinary. The table has methodic a term horizon of 5 years on this contrivance. The options are illustrative in the aftercited.

a. Alienation a 5-year provision voicelessness at an attention admonish (annual) of 7%.

b. Alienation the exercitation of a puerile physician (the hospital’s third prominent admitter). Estimates of contrivanceed currency flows for the exercitation (post-purchase), are: Probability of Currency Flow

c. Alienation an upgraded analyzer for the laboratory. Based on forecasts of laboratory utilization, the net currency flows for this contrivance are:



Net Currency   Flow


t + 1



t + 2



t + 3



t + 4



t + 5


Which bombardment should the COO commend and why?