Which of the following is true of Instagram & Snapchat's user bases?

A) Instagram's population base is larger than Snapchat and its users skew significantly older.
B) Snapchat's population base is larger than Instagram and its users skew significantly older.
C) Instagram's population base is larger than Snapchat and its users skew significantly younger.
D) Snapchat's population base is larger than Instagram and its users skew significantly younger.
E) None of these.

A check correctly written for $260 was incorrectly entered in the cash payments journal for $620. In preparing a bank reconciliation $_____________ must be ______________ the cash balance per ______________.