Sleepwell LLC has entered into a contract to supply 50,000 units of sleeping mattes to customer on sale or return basis at OMR 60 each. The cost of making each sleeping mattress is 32 OMR. The term of sales provides three months to customer for the date of sale to return the items and get a full refund. The experience indicates that such customer tends to return back some items and it can be reliably estimated to be around 8% of such sold items are usually returned. find right of return assets.