The budgetary components of our project are as follows:

QtyItemSource(Part number)Unit PriceExtended Price
1Microstick IILab Rental$10.00$10.00
1220 Ohm ResistorRadioshack (2711111)$0.30$0.30
1100 kOhm ResistorDigikey (CF14JT100KCT-ND)$0.10$0.10
13 kOhm ResistorDigikey (CF14JT3K00CT-ND)$0.10$0.10
7330 Ohm ResistorDigikey (CF14JT330RCT-ND)$0.053$0.371
4NO SPST ButtonDigikey (679-2452-ND)$0.25$1.00
3100k Ohm PotentiometerDigikey (3310P-001-104L-ND)$2.77$8.31
14n35 OptoisolatorDigikey (160-1304-5-ND)$0.48$0.48
11n914 DiodeDigikey (1N914BCT-ND)$0.10$0.10
1Female 5-DIN ConnectorDigikey (CP-2350-ND)$1.33$1.33
1MCP4822 12-Bit DACDigikey (MCP4822-E/P-ND)$3.00$3.00
13.5mm Audio JackDigikey (CP1-3523N-ND)$0.97$0.97
2Small Solder BoardsRadioshack$1.25$2.49
1Adafruit 2.2” TFT DisplayLab Rental$10.00$10.00
140-pin SocketRadioshack (2761996)$0.99$0.99
120-pin SocketRadioshack (2761991)$0.49$0.49
3Potentiometer knobsRadioshack (2740415)$0.87$2.62
1Project EnclosureWalmart (552643830)$7.30$7.30
   Total:$49.95

If we were to buy the Microstick II and Adafruit TFT Display instead of factoring them as a rental, our total would only increase by $39.90 to $89.85.