For a two week period, john and amanda had the following transactions occur to their checking account: a deposit of $1,644.50; checks written for $190, $45, and $7.50; and debit card transactions for $30, $5.59, $7.20, and $21.30. what is the ending balance for this time frame? a. $1,352.24 b. $1,377.91 c. $1,234.56 d. $1,466.09