Answer:
1.1
Explanation:
You want the multiplier of the wholesale cost that makes the retail cost be 10% more.
Multiplier
The retail cost is said to be ...
retail cost = (wholesale cost) + 10% × (wholesale cost)
= (wholesale cost) × (1 +10%)
= (wholesale cost) × 1.10
The retail cost is 1.10 times the wholesale cost.