Reena and Meera bought and sold some sarees. What is the cost price of each saree?

I. The selling price of 29 sarees is 7395.

II. They had sold N sarees, where the difference between N and the number obtained by interchanging its digits is 9.

III. Even though they spent 150 on packaging, they made a total profit of 20%.

IV. The number of sarees sold is the first two digit number which is preceded and followed by prime numbers.