Price: The value of goods and services that consumers need to pay in order to get it
Cost: The money needed to manufacture a good
So, if the manufacturing costs increase, the Yota expenditure is also likely to increase. As producers want to maintain or even increase profit margins to satisfy shareholders, the price they set for consumers are also likely to increase.
On the other hand, if there is a decrease in cost of resources, the producer is likely to produce more at every price level. Therefore, lowering the price. It is the law of supply.