Determine the sensitivity range for each objective function coefficient

Supervisors are keeping effective records about employee performance if they

a. Keep a paper file of documents b. Keep an electronic file c. Use a performance log d. All of the above

ExxonMobil generates about $50 billion in cash annually from its operations and invests about half

of that on new exploration. Therefore, ExxonMobil is an example of a(n) A) investment banker. B) savings surplus unit. C) financial intermediary. D) savings deficit unit.