Answer:
Option C, Shows the decrease in unit cost as more of the same product is produced over time, is the right answer.
Step-by-step explanation:
Option C is the correct answer because the learning curve shows the relationship between the cost of the production and output over the time period. Moreover, this curve shows the cost savings when more output is produced over time. The same can be seen in option C that the cost decreases when output rises which means there is a cost-saving.