Notes

Here are links to the best deals I could find on the equipment you require, with a few alternates that I saw fit to include. Click on the links to check them out, but please read the descriptions to make sure they fully meet your needs and, if so, order them.

Apple iMac Intel Core i7 870 (2.93GHz) 4GB 1TB HDD 27" Desktop PC Mac OS X v10.6 Snow Leopard MC784LL/A-R [larger screen, faster, more storage]
http://www.newegg.com/Product/Product.aspx?Item=N82E16883104167

or, as an alternate, though not as good [and only about $90 cheaper]...
Refurbished 21.5-inch iMac 2.7GHz quad-core Intel Core i5 - Apple Store (U.S.)
http://store.apple.com/us/product/FE086LL/A/refurbished-215-inch-imac-27ghz-quad-core-Intel-Core-i5

Refurbished 15.4-inch MacBook Pro 2.0GHz Quad-core Intel i7 with Retina Display
http://store.apple.com/us/product/FE293/refurbished-154-inch-macbook-pro-20ghz-quad-core-intel-i7-with-retina-display

or, as an alternate, smaller, lighter and about 1/3 of the price...
Apple MacBook Air Core i5 1.6GHz 4GB RAM 128GB HD 11.6" MC969LL/A
http://www.ebay.com/itm/Apple-MacBook-Air-Core-i5-1-6GHz-4GB-RAM-128GB-HD-11-6-MC969LL-A/121449070235#viTabs_0

or, if you really need the larger screen, this example of last years model of MacBook Pro is less than a third of the new one from Apple.
http://www.amazon.com/Apple-MacBook-MC118LL-15-4-Inch-Laptop/dp/B002C744K6/ref=sr_1_3?s=electronics&ie=UTF8&qid=1415221133&sr=1-3&keywords=macbook+pro

Apple 64GB iPad Air with Retina Display (Wi-Fi) - Black with Space Gray
[I'm on board with the 64GB storage option, but the only difference between an iPad Air & an iPad Air 2 is a negligible improvement in the display, not worth the $100+ difference, IMHO]
http://www.amazon.com/Apple-64GB-Retina-Display-Wi-Fi/dp/B00G2XRVNS/ref=sr_1_1?s=electronics&ie=UTF8&qid=1415215637&sr=1-1&keywords=apple+ipad+air+64gb+wifi

Apple USB Superdrive
http://www.amazon.com/Apple-MD564ZM-A-USB-Superdrive/dp/B008AL9VXI/ref=sr_1_24?s=pc&ie=UTF8&qid=1415219535&sr=1-24&keywords=apple+usb+superdrive

or, for about 1/2 the price, and is reviewed very favorably with the iMac....
http://www.amazon.com/Samsung-Portable-External-SE-218CB-RSBS/dp/B00DBV28TG/ref=sr_1_2?s=pc&ie=UTF8&qid=1415219693&sr=1-2&keywords=apple+usb+superdrive

Epson WorkForce WF-3620 Wireless Color All-in-One Inkjet Printer with Scanner and Copier
www.amazon.com/Epson-WorkForce-WF-3620-Wireless-Printer/dp/B00JXLGF06/ref=sr_1_3?ie=UTF8&qid=1415219926&sr=8-3&keywords=mac+compatible+printers+all-in-one

and, for cost comparison of refills...
http://www.4inkjets.com/T252XL9BB-Epson-Ink-Cartridge-HY-9pk-Bulk-Set-Remanufactured?xid=4iazcse&KID=CSE&CAWELAID=120126020000044891

Microsoft-Office-for-Mac-Home-and-Business-2011 [download only]
http://www.soft-depot.com/Microsoft-Office-for-Mac-Home-and-Business-2011--FOR-MAC-ONLY_p_45.html

or, even better [actual physical copy and slightly cheaper]....
Microsoft-Office-for-Mac-Home-and-Business-2011 [physical copy]
http://www.amazon.com/Office-Mac-2011-Home-Business/dp/B009SPUZCQ/ref=sr_1_2_twi_2?ie=UTF8&qid=1415212290&sr=8-2&keywords=Office+Mac+2011+Home+and+Business+2011+-+1+Mac%2F1+User+%5BDownload%5D

FileMaker Pro 13 Non-Profit/Education
http://store.apple.com/us/product/HFTU2LL/A/filemaker-pro-13-non-profiteducation

or, if an upgrade is an option [save $20]...
http://www.amazon.com/Filemaker-Inc-HFTT2LL-FileMaker-Pro-Upgrade/dp/B00GWH3C0A/ref=sr_1_3?ie=UTF8&qid=1413940497&sr=8-3&keywords=filemak...

QuickBooks for Mac 2015
http://www.techsoup.org/products/quickbooks-for-mac-2015--G-41876--Tasks

or, if one of these versions is a better fit...
The Intuit Donation Program
http://www.techsoup.org/intuit?gclid=CJTB8-mJv8ECFYxDMgodJzoAJA

Or, this highly rated alternative...
http://www.staples.com/Wondershare-PDF-Editor-for-Mac-1-User-Download/product_955735?cid=PS:GooglePLAs:955735&ci_src=17588969&ci_sku=955735&KPID=955735&kpid=955735&gclid=CI2XgMyv5MECFYZafgodYiAAQg