Answer: Ethnography
Ethnography is a research methodology
for observing and describing people participating in some activity.
Quantitative research emphasizes numerical analysis of data;
<span> The scientific method </span><span>involves making hypotheses, predictions and carrying out experiments based on those predictions</span>
<span> Semiotics</span><span> interprets thru signs
and symbols. </span>
Answer:
B. examine only the marginal costs, ignoring the sunk costs.
Explanation:
Marginal Analysis refers to the analysis of marginal (additional) cost & marginal (additional) revenue.
Eg : Producer Equilibrium is where Marginal Revenue = Marginal Cost.
Marginals vary only due to variable, & not fixed components.
Marginal Analysis examines only marginal costs, & not fixed or sunk costs.