The movie Sadi store is about to place an order for VSH tapes, DVD tapes and DVDS. The distributer if orders from requires that an order contain atleast 250 items. The prices Movie Sadi must pay are Rs.12 for each tape and Rs.16 for each, DVDs. The distributor also requires that at least 30% of the order be DVDs. How many tapes and how many DVDS should Movie Sadi order so that its costs wil be kept to a minimum