A recreational vessel is 30 feet in length and has no fixed fire extinguishing system in the machinery space. What is the minimum number of 5-B portable fire extinguishers required?

Why C is correct

Per 33 CFR §175.320, Table 1, a recreational vessel 26 feet or more but less than 40 feet in length with no fixed fire extinguishing system in the machinery space must carry a minimum of two 5-B portable fire extinguishers.