According to Ross, in Determining Which Prima Facie Duty Is

Multiple Choice

According to Ross, in determining which prima facie duty is the most "stringent" in some particular
Case and thus represents one's all-things-considered duty, one must

A) appeal to a set of fixed rules to calculate which duty will prevail.
B) appeal to a moral authority.
C) use one's judgment rather than appealing to a fixed set of rules.
D) perform a utilitarian calculation.