Please Help me 
 A farm grew 19.8 tons of wheat in 2013. The farm's wheat output increased by 9.8%
 from 2013 to 2014 and by 5.1% from 2014 to 2015. Which expression represents a
 strategy for estimating the total output of wheat, in tons, in 2015?
 A) 20 + 10 + 5
 B) 20(10)(5)
 C) 20 + 1.1 + 1.05
 D 20(1.1)(1.05)