In December​ 2009, currency outside of banks was​ $400 billion,​ traveler's checks were​ $5 billion; checkable deposits owned by individuals and businesses were​ $600 billion, saving deposits were​ $2,000 billion, time deposits were​ $1,500 billion; and money market funds were​ $1,200 billion. What was the M2 in December​ 2009?A. M2​ = $2,505 billionB. M2​ = $5,705 billionC. M2​ = $3705 billionD. M2​ = $5,700 billionE. M2​ = $1,005 billion