Choose the correct option from the following

Quantity I: Rhea sells her beauty accessories at 20% profit. If she sells same accessories at 25 % profit then she could have earned Rs 30 more than the previous. Calculate cost price of the beauty accessories.

Quantity II: Arnkul gave a discount of Rs 30 on the marked price of his ear phones. If the new marked price is 94% of the original price then calculate original marked price.