Answer:
First on Alert's bank reconciliation at December 31, 2018
Cash Account First on Alert Security Systems
Balance , December 31,2018 $2,430
Add: Collection from Jane Lindsey $690
Add: Interest revenue $10
Less:-Service charges $20.00
Adjusted Cash Account balance December 31, 2018 $3,110.00
Bank Account at Park Cities
Balance , December 31,2018 $3,910
Add: Deposit in transit $200
Less: Outstanding cheque $1,000
Adjusted bank balance December 31, 2018 $3,110.00