Answer:
Option B, both input and output prices will increase
Step-by-step explanation:
Since the demand far smart watches is increasing, the price of watches will escalate to cater the opportunity cost. With the rising demand for smart watch, the demand for specialized input will also increase. Considering the growth in demand for specialized input, its cost shall also escalate to take the benefit of opportunity. Along with raw material, variable costs such as transportation, manpower, electricity etc. will also increase both in input (bringing raw material and producing final product) and output (export of the final product)
In nut shell, both the input and output price will increase.