Hello. And the question is, given that a company's parents x dollars per week on online advertising and by dollar per week on TV advertising it's a weekly. Sales were found to be given by the function of the glaciers, the function of X and Y. It is a cause to and and to work to department four into what? To the bar pointed. Okay, so we have to find SX at 5000. Okay. And that's why Act 2000 and 2000. Okay, so first we have two parcel. We have to do partial differences in our bags with respect to X. So does it cost to S X at X comma y? So it will be a request to And here we will treat by as a constant to turn off by pointed in 2.4 X to the power of minus 0.6. So it will be cause to four and two. Yeah. Why do the part pointed? Extra departments of 0.6? No, we will do partial the transition of X. With respect to vice, it will be close to S y at X comma y, so it will be cost too then do expand four 0.8 and two y to the power point. Two months of 20.2. So it will be cost too. Uh, extra. Depart 0.4. Where to? Departments of 0.2. No, we will find the given indicated function at the given point. So s XR 3000 in 2000 Will be cost too. Four into X 2000 power of management. Six into 2000. Power appointed. Okay, so? So why 3000 and 2000? So it is because 28 Exit 3000 power of 0.4 into 2000. Power up minus 20000.2. Now we will calculate it. No. So it will request to 14.3 14. 43.0 to 6. Okay. So we can see that SX at gunpoint. 3000. 2000. It is a cost to 14.34 to, so we can see that vehicle sales increase 14 point $342. 342 dollar when we increase homeland advertising. Okay. And how will level off 3000 in 2000? Yes, and we can see that as why are 3000 in 2000, it will be close to 43.0 to 6. It means he has increased 43.0 to $6. But we Then we increase television advertising. Advertising. I didn't 3000 and 2000. Okay, This is the answer. I hope your initial. Thank you.