You want to know how long would it take for a web designer to develop your company's website. While most of the designers suggest that it can be ready in 10 days, some designers tell you that it might be ready faster and you can have your website in 5 days. However, some other designers suggest that preparing a website might take as long as 35 days. If you are the project manager, using PERT method, what would you consider to be the project estimation? Please write the formula and calculations