1. Increases in discretionary income can occur as a result of all of the following EXCEPT:
a) increase in gross income
b) decrease in taxes
c) increase in disposable income
d) a decrease in housing costs
e) increase in interest rates
2. A project being analyzed by PERT has 55 activities, 8 of which are on the critical path. If the estimated time along the critical path is 125 days with a project standard deviation of 15 days, find the project deadline that gives this project a 33% chance of on-time completion. (Use NORMAL CURVE AREAS table in APPENDIX I of the textbook.)
a. from 118.46 to 118.58 days
b. from 118.34 to 118.46 days
c. from 118.58 to 118.7 days
d. from 118.22 to 118.34 days
e. from 118.1 to 118.22 days