PLease help!! Due tonight

A company does most of its business on a cash basis, but it does honor major bank charge cards (credit cards). The major bank card charges a 3% discount (fee). Over the past month, the company has had credit card sales and credits (returns) listed in the table below.

Credit Card Sales	Credit Card Credits (Returns)
$62.34	$15.62
$39.98	$38.97
$212.16	$112.65
$78.93
$402.65
$15.85
$98.77
$108.95

Find the total credit card charges/sales.

The following data represents the number of years of teaching experience of community college mathematics instructors.

3, 6, 6, 9, 11, 20, 21, 22, 23, 25, 25, 25, 29, and 30

Calculate the standard deviation. Given by (xx)2n

A company does most of its business on a cash basis, but it does honor major bank charge cards (credit cards). The major bank card charges a 3% discount (fee). Over the past month, the company has had credit card sales and credits (returns) listed in the table below.

Credit Card Sales	Credit Card Credits (Returns)
$62.34	$15.62
$39.98	$38.97
$212.16	$112.65
$78.93
$402.65
$15.85
$98.77
$108.95

Find the total credit card charges/sales.

Question 5 options:

Question 6 (4 points)

The following is a checkbook ledger.

Check #	Date	Check issued to	Amount of Check	Deposit	Balance
					$8856.21
1001	9/5	Gas Co	$658.76
1002	9/6	US Post	$55.97
	9/6	Deposit		$3301.00
1003	9/7	Rent	$2560.00
1004	9/8	Elect. Co	$580.79
1005	9/9	Insurance	$4380.56

Determine the account balance on 9/6