![Reserve Bank of Australia](http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/2014/4/8/1396935941126/287f2f01-3da3-474d-9486-e6e1feb6e380-460x276.jpeg)
Business confidence fell from seven points in February to four in March, according to the National Australia Bank monthly survey on Tuesday. Business conditions remained subdued but lifted slightly to one point in March.
Optimism was at its lowest level since its post-federal election bounce last year and mining was the least confident industry, the report said.