6. An accounting clerk has prepared three mini trial balances that do not balance. Calculate the difference in the debit and credit totals and indicate the probable type of error made in each case. Credit Credit Credit (a) Debit $3 000 1 000 700 420 (b) Debit $200 300 50 (c) Debit $3 000 1 000 700 240 $2 950 2170 $5 020 $ 75 25 300 200 $600 $2 950 2 170 $5 120 $5 120 $4 940 $550