What is the value of a Bitcoin mining company in million US$ based on the following assumptions?

Q$1.$Bitcoin mined in $2025$: $100$

Price of Bitcoin in $2025$: $$100,000$

All$-$in cost per mined BTC in $2025$: $$20,000$

growth rate of number of Bitcoin mined p$.$a$.$: $0\%$

growth rate of Price of Bitcoin p$.$a$.$: $10\%$

growth rate of all$-$in cost per mined BTC p$.$a$.$: $10\%$

discount rate: $50\%$

valuation horizon: $20252035$

Q$2.$What is the PE ratio using the calculated valuation as P and the $2025$ earnings as E$?$

Q$3.$why s it appropriate to assume a $50\%$ discount rate $?$

please help