Roald Writes a Check for $700 to Savannah

Multiple Choice

Roald writes a check for $700 to Savannah.Savannah indorses the check in blank and transfers it to Twitchell,who alters the check to read $7,000 and presents it to Union Bank,the drawee,for payment.The bank cashes it.Roald discovers the alter?ation and files a suit against the bank.Roald can recover

A) $7,000.
B) $6,300.
C) $700.
D) 0.