Final answer:
To find the total number of fittings on hand, add up the counts of fittings in each bin. The correct option is a) 975.
Step-by-step explanation:
To find the total number of fittings on hand, you need to add up the counts of fittings in each bin. The counts are: 176, 183, 208, 214, and 194. To get the total, you can add these numbers together:
176 + 183 + 208 + 214 + 194 = 975 fittings
So, the correct option is a) 975.