sydneywoolworths group ltd expects firsthalf earnings from its australian food business to fall by as much as 92 largely due to costs related to the covid19 pandemic the retailer on tuesday said it anticipates covidrelated costs of between 210 million and 220 million australian dollars 1506 million1578 million for julydecember australian food earnings before interest and tax will fall to a119 billiona122 billion from a131 billion a year earlier it said