Answer: the bank is under 1.98
Explanation:
The amount that the bank is missing is 12.63+7.31+14.61+6.69+2.24+2.76 = 46.24
now add this to the 26.61 in the checkbook to get 46.24 + 26.61 = $72.85
compare this to the bank, 72.85 - 70.87 = 1.98
so the bank is under 1.98