‘Round-up’ pricing in items such as coffee suggests increases are exceeding the typical 1.5% surcharge feeFollow our Australia politics live blog for latest updatesGet our breaking news email, free app or daily news podcastBusinesses are using the recent ban on credit card surcharges as “cover” to pass along much larger price increases to customers, experts say, as cafes and restaurants struggle to cope with climbing costs and rising interest rates.Credit card surcharges, typically worth