Schedule compression

i. what is the crash cost per day for each activity?
ii. which activities should be crashed to meet a project deadline of 10 days with a minimum cost? you may assume that you can partially crash an activity.
iii. what is the new cost after crashing the project?
iv. is partial crashing an appropriate assumption for this kind of project?

activity

normal time

crash time

normal cost

crash cost

a

7

4

$500

$800

b

3

2

$200

$350

c

6

4

$500

$900

d

5

1

$200

$500

e

2

1

$300

$550

Adds up the money earned by producers plus taxes paid to the goverment. a) income approach b) product approach c) expenditure approach

Consider the following limit order book for a share of stock. the last trade in the stock occurred at a price of $50. limit buy orders limit sell orders price shares price shares $49.75 500 $49.80 100 49.70 900 49.85 100 49.65 700 49.90 300 49.60 400 49.95 100 48.65 600 a. if a market buy order for 100 shares comes in, at what price will it be filled? (round your answer to 2 decimal places.) b. at what price would the next market buy order be filled? (round your answer to 2 decimal places.) c. if you were a security dealer, would you want to increase or decrease your inventory of this stock? increase decrease

Using a cps-sample of 7,440 individuals, you estimate the following regression: = 20.91 - 2.61 x female where female is a binary variable that takes on the value of 1 for females and is 0 otherwise. the standard error on the coefficient on female is 0.25. the 95% confidence interval for the gender wage gap, or the amount that females earn less, is: a) [-3.10, -2.12] b) [18.30, 23.52] c) [-3.02, -2.20] d) [-1.96, -1.64]