what is the interest rate on margin trading

#1
i am new to trading ,i want to know about margin trading for intra day trading my question is if i want to buy a shre of A at rs3000,i need 100 number ie,tatal money =300000
if the broker allow me to 4 times margin trade
then 300000/4 =75000 ok
then .025 is my intraday brokerage
if i got 350000 as the return (intraday) ok

for margin trading is any other money is payed to the broker ? :clap:
 

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