Well, more than cost inflation, what we are seeing is a catch-up in expenses. And that's why we are having also slightly lower ore grades at the Peruvian operations in this year and the next one. And the reason for that is that we will have -- we will be operating in certain areas of the mines where we didn't work last year. Last year, we focused basically on an area where we could get the mineral that was required to maintain our production level where we plan to do that under the COVID circumstance.
Keep in mind that we operate at a certain point in time with about 40% of the labor force that we have. So it was certainly an emergency. And now we still have -- are facing the challenges of COVID. But at the same time, we have -- we are -- I think we managed to deal with this, with how to operate safe, with right sanitary level for our workforce. And do what we need to do in order to maintain a sound operation. So it's a catching up rather than inflation. Obviously, if you look at the fuel prices, yes, there has been some inflation on that, obviously. But more than that, I think it's a catching up in certain words. And that has a side consequence that we are having a much lower ore grade.
By-product prices, well, we're very conservative on the kind of prices that we use for by-products. And I think that if we have a risk on this, it may go for having a much lower cash cost than what we're planning at this point. So the risk is for a downside or a better cash cost in our view. So yes.
So for instance, for molybdenum, we're using $9.50 per pound. It's more or less in line with what we're seeing today, but the information that we have from our commercial team is that there is quite a good chance that the molybdenum market has a deficit in the next few quarters, that will certainly put pressure on the molybdenum prices. For zinc, it's $1.15, and today, we're at a little bit more than $1.20 -- in zinc, I'm sorry. While silver is more or less where it is today. And gold also more or less where we are nowadays.
So the credits -- and the other thing is that our mine plans are focusing on getting the right or the expected copper production. The by-products are not as precise and usually, the bias is to the downside. So we underestimate a little bit, for instance, our molybdenum production each year. Our initial plan is usually lower than the actuals that we get through the year for different reasons. So we are much more optimistic and believe that if there is a risk on the cash cost, we expect it to be on the downside rather than an upside in it.