solve the multiple choices, giving an explanation for the material of Production and Operations Management:

1) A measurement scale with five response categories ranging from "Strongly disagree" to "strongly agree", which requires the respondents to indicate a degree of agreement or disagreement with each of a series of statements related to the stimulus object is called a(n) ______

A) Stapel scale

B) Semantic differential

C) Likert scale

D) Opinion rating scale

2) Activity slack is defined as:

A) Earliest start time minus latest start time

B) latest finish time minus earliest start time

C) latest start time minus earliest start time

D) earliest finish time minus latest finish time

3) Which one from the following dimension of quality might salvage the sale and the company's reputation if a product initially fails to live up to the customer's expectations?

A) fitness for use

B) Support

C) Value

D) Psychological impressions