Lanny's credit card has an APR of 33%, calculated on the previous monthly
balance. His credit card record for the last 7 months is shown in the table
below.
End of
month
Previous
balance
3000
$47.00
$186 07
50.00
528 57
510738
574 33
New
charges
S0700
5102 00
534 00
598.00
510100
$21.00
$99.00
Payment
received
50.00
$4422
$225.19
5694)
$22.98
$5700
591.98
Finance
charges
30.00
$1.29
$5.12
$0.00
$0.79
$2.95
52 04
Principal
pald
$0.00
54293
$220.07
56943
$22.19
554 05
$89.94
New
balance
347.00
3106.07
50.00
$28.57
$10738
$7433
What is the new balance at the end of month 7?