Dru Signs a Check Payable to Excel Services,Inc

Multiple Choice

Dru signs a check payable to Excel Services,Inc. ,and gives it to Excel,leaving the amount blank but authorizing Excel to fill it in for $1,000.Excel fills in $1,500 and negotiates the check to Friendly Credit Corporation,an HDC.Friendly Credit can enforce the check for

A) $0.
B) $500.
C) $1,000.
D) $1,500.