Round your answers to two decimal places a In 1990 a prominent industry showed a net loss negative profit of 1 23 billion In 1999 the industry had a net profit of 8 06 billion Find the average annual rate of change in net profits from 1990 to 1999 The average annual rate of change in net profits from 1990 to 1999 was b In 2008 the industry s net profits were 16 6 billion i Find the average rate of change in net profits from 1990 to 2008 The average rate of change in net profits from 1990 to 2008 was Si II Find the average rate of change in net profits from 1999 to 2008 The average rate of change in net profits from 1999 to 2008 was billion per year billion per year billion per year