Tanushree and Bills

Tanushree went to a restaurant to eat food and since is a big foodie she is having difficulties choosing which cuisine she would like to eat but ultimately she ended up buying a $N$-number of dishes which may or may not be out of her budget, fortunately, her debit card was offering 10% off on bills more than $1000$. If the quantity, budget, and the price of individual dishes are the input calcul