Answer:
In year 2013 annual maintenance done = $ 3,000,000
Out of this 85% is expected to renew in 2014 =
= $2,550,000
Now Sales in 2013 = $3,000,000
60% of these sales =
= $1,800,000
Now out of this 60%, 20% annual maintenance was expected to be paid
In 2014 =
= $360000
So, Total annual maintenance in 2014 =

= $2,910,000