In a certain code language, '-' represents'+', '+' represents 'x', 'x' represents '÷' and '÷'represents '-'. Find out the answer to the following question.
A dinner set is quoted for Rs 1500. A customer pays Rs 1173 for it. If the customer got a series of two discounts and the rate of first discount is 15% then the rate of second discount was,
Calculate the economic profit for a firm if its total revenues are Rs 180 crores, explicit costs are Rs 95 crores, and implicit costs are Rs 25 crores.