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we have a magento 1.9.3
we want to add a rule in the back end, which will add a random price for all the products (existed or new add) in "Manufacturer's Suggested Retail Price" the price has to be above the normal price of product and scope of price can be anything between 15% to 50% above.
we use stock in the channel to import new products in magento.
the rule should work based on normal price of product, for example if the price of product goes up then the Manufacturer's Suggested Retail Price should go up as well, but if normal price goes down then Manufacturer's Suggested Retail Price should go down as well.
once the rule for a product is set at what ever (random) percent above the normal price, then it should never change, that product always use that % increase above normal price, other wise that product will have different Manufacturer's Suggested Retail Price every day, which can look fake or confuse people.
any question please do ask.