Peg's Manicure Manor did 4,000 sets of nails in 2015 and 4,500 sets of nails in 2016. The price of a set of nails was $20 in 2015 and $22 in 2016. If 2015 is the base year, Peg's contribution to nominal GDP in 2015 was ______ and to real GDP in 2015 was _____.