Need the formulas please

The market size of each product can be forecast based on growth expectations. Product A's growth will decelerate, declining linearly by .5% every year. Product B's growth will be stable at 10% annually. Hint: When financial analysts adjust a growth rate or market share you do not compound the adjustment. If the growth rate is 10% and it declines by 3%, the adjusted growth rate is 7%. Please use this clarification to understand how to forecast througho 2021 Market Size Units Product A Product B 2020 1,040 520 520 1,040 520 520 2022 1,040 520 520 2023 1,040 520 520 2024 1,040 520 520 2025 1,040 520 520 2026 1,040 520 520 2027 1,040 520 520 2028 1,040 520 520 2029 1,040 520 520 2030 1,040 520 520 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Market Unit Growth Rate Product A Product B 10.0% 10.0% The market size of each product can be forecast based on growth expectations. Product A's growth will decelerate, declining linearly by .5% every year. Product B's growth will be stable at 10% annually. Hint: When financial analysts adjust a growth rate or market share you do not compound the adjustment. If the growth rate is 10% and it declines by 3%, the adjusted growth rate is 7%. Please use this clarification to understand how to forecast througho 2021 Market Size Units Product A Product B 2020 1,040 520 520 1,040 520 520 2022 1,040 520 520 2023 1,040 520 520 2024 1,040 520 520 2025 1,040 520 520 2026 1,040 520 520 2027 1,040 520 520 2028 1,040 520 520 2029 1,040 520 520 2030 1,040 520 520 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Market Unit Growth Rate Product A Product B 10.0% 10.0%