NICO Corporation Had Current Assets of $2,000,000 at the End

NICO Corporation had current assets of $2,000,000 at the end of 2019 and $1,800,000 at the end of 2018.In addition,NICO had accounts payable of $1,000,000 in 2019 and $1,500,000 in 2018.Using this information,NICO's net current asset investment for 2019 was ________.

A) $700,000
B) -$300,000
C) $300,000
D) -$700,000