Answer:
The correct unit price is $1.16 per pair.
The contractor calculated the unit price in terms of per dozen.
Explanation:
Given that:
Cost of 5 dozen pairs = $69.60
Unit price per dozen =

Unit price means the price of one pair of padded work gloves, so we will convert dozens into unit.
1 dozen = 12 pairs
5 dozen = 60 pairs
Unit price =

Unit price = $1.16 per pair
Hence,
The correct unit price is $1.16 per pair.
The contractor calculated the unit price in terms of per dozen.