Australian shoppers are set to splurge a record $2.75 billion for what is expected to be the biggest Boxing Day sale in a decade. The National Retail Association (NRA) says it will be the biggest single spending day of the Christmas season as savvy shoppers take to the shops to hunt down a bargain. Online spending is also set to be popular with $930 million in digital sales anticipated throughout Australia. Discounts of up to 70 percent are expected with shoppers reminded to be socially distant and prepared for COVID-19 restrictions. NRA chief executive Dominique Lamb said this year’s Boxing Day is set to smash all records following increased spending forecast across every state and territory. “The NRA is forecasting a Boxing Day shopping splurge of $2.75 billion at shops across Australia, breaking the 2019 record,” she said.  “With consumer sentiment at a 10-year high, we have really seen shoppers …