How can I Calculate the actual value of a stock, if the company gets listed today?

When I have the following prerequisites

• The listed payments are ris-free
• 100 million pcs. shares
• Dividend for the year per. share for the next year grows at constant annual growth rate is determined by myself
• Where the dividend for the year from and including 2024 in all future corresponds to dividend in 2023
• Tax-rate 30%
• Risk-free annual interest rate 3%