Australian Retailers Association CEO Paul Zahra says shoppers will spend $1.25 billion on Boxing Day alone. The National Retail Association expects shoppers to splurge $23. 9 billion over the course of Boxing Day sales, which is triple the amount spent on Black Friday sales. “Today, alone, shoppers will spend $1.25 billion,” Mr Zahra told Sky News Australia. “A really big day for retail but an equally big day for shoppers.” New South Wales and Victorians will make up the bulk of shoppers hoping to snag a bargain. Economists say while the increase in retail spending is good for businesses, it could…