What is economics and how do go about doing economics

On january 1, 2015, jon sports has a bond payable of $200,000. during 2015, it pays off $20,000 of the outstanding bond principal and issues a new $70,000 bond. there are no other transactions related to the bond payable account. what is jon sports' december 31, 2015, bond payable balance?

Look at this check register. calculate the current balance. check date transaction (+) deposit balance 5/1 5/3 $82.92 debit 8.00 78.24 005 monthly fee phone bill paycheck 1 125.00 5/15 5/17 5/20 atm 40.00 56.50 006 t ennis lessons the current balance is?

Which of the following is least likely to a team solve problems together