Simple one time credit card payment form (paypal)

Hi,

I need a simple payment processing system for a service business to be able to accept credit cards. You can see the static, non-working form at [url removed, login to view]

Here's the things I need it to do:

- securely (https) accept the credit card information and send it to be processed by a Paypal account I will designate.

- the amount charged would be based on total QUANTITY of the items plus an additional $5 base fee:

$5 for if quantity total < 5 items;

$9 if 5< quantity total < 10;

$12 if 10<quantity<15;

$14 if 15<quantity<20;

$15 if 20<quantity<25;

max. quantity is 25!

- make ability to add more textboxes (by clicking the "add another item" link)

- add a javascript-enabled textbox that calculates the total $ amount due instantly and display it under the item boxes.

- Upon submission of order:

1->Store all information from form into MySQL database

2->Send confirmation email to specified email address, and attach an Excel sheet of items that they entered

3->Send another email to sales[at]kwaigo[dot]com with all information from form as Excel sheet

Please let me know how much of this is possible, and any other modifications you suggest to make this possible.

~Jason

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