Problem 1 - Bass model of product diffusion (\"Bass\" spreadsheet] Suppose you are working with a VR headset startup. Given the recent development of the so-called "Metaverse", the founder of the startup expects that the headset will sell well. He asks you to come up with a forecast of the sales trend in the next few years. You think it is a good idea to apply the Bass model to provide an answer. Therefore, you use various of sources to estimate the growth parameters and the market potential for the global sales of VR headsets. The next job is to use the model parameters to generate the sales curve. In the Excel file, please complete the following task: 1. Please provide the sales estimates from 2019 to 2025. 2. In which year and quarter will the sales peak