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 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)

Please show ur work or at least explain!!
Tysm!