# EXHIBIT 7

# July26, 2010 Chandler, Arizona Where ValllesMake TheDifference



# ChandlerAirService, Inc. Attn: JohnWalkup 1675 E. RyanRd. Chandler, AZ 85286

NoticeofAssessment TransactionPrivilege (Sales) andUseTax ChandlerAirService, Inc. ChandlerLicenseNo. 5220

# H~ELIVERED

# @~.

# ~jt? The City ofChandler has completed an audit ofyour account to determine ifa Transaction Privilege (Sales) and Use Tax liability exists. The audit covered the period from.June 1, 2004

.. throughFebruary28,2009. The results ofthis reviewindicate aCity ofChandlertax deficiency in the amount of $49,927.51. This liability consists of$44,230.93 in tax and $5,696.58 in interest(calculatedthroughJuly 31, 2010). Pleaserefertothe enclosedworkpapers fordetails. . Re:

PerChandlerTax Code(CTC) Section62-570, Administrativereview; petitionforhearing orfor redetermination; finality oforder, youhaveforty-five (45) days fromreceiptofthisnoticetotake
one ofthe following courses ofaction or your rights ofappeal will tenninate and collection procedures willcommence:
1. Paythefull amountoftheassessment, withoutprotest, or
2. Pay the full amount ofthe assessment, including amounts under protest to prevent additional interest from accruing, and file apetition in writing withthe Tax Hearing Officerrequesting either an oral hearing to present verbal arguments and supporting documents, or a redetermination based solely on written statements and supporting documents. Such petition should set f01ih the reasons why a hearing or redetermination should be granted, and the amount by which tax, penalty, and/or interestshouldbereduced, or
3. Pay only the amount ofthe assessment that is not protested, and file a petition in writing with the Tax Hearing Officer requesting either an oral hearing to present verbal arguments and supporting documents, or a redetennination based solely on written statements and supp01iing documents. Such petition should set forth the
reasons why a hearing or redetermination should be granted, and the amount by whichtax, penalty, and/orinterestshouldbereduced. Shouldyou choosethis option, be advisedthatinterestwillcontinueto accrueon anyunpaidtaxbalance.

MailingAddress Mail Stop 701 PO Box 4008 Chandler, Arizona 85244-4008

Pdl/t,d 011 

### "9"kd 

## paper til 

# Tax iBlnd Ucense DiViS!@1ll 

## Telephone (480) 782-2280

TDD (800) 367-8939 Fax 

## (480) 782-2343 www.chandleraz.gov 

## Location Suite 105 55 NorthArizonaPlace Chandler,Arizona 85225

# EXHIBIT 8

### Privilege Tax Differential Due to May 1994Tax Increase: AV Gas (0.5%) & 

### Jet Fuel ($0.005) Sales at CMA

*** CONFIDENTIAL TAXPAYER INFORMATION: FOR INTERNAL USE ONLY ***
(A) (8) (C) (D) (E) (F) (G) (H) (I) (J) (K)

Period AVGas AVGas AVGas Jet Fuel Jet Fuel Jet Fuel Rate Increase AVGas Jet Total Tax Collected Gross Receipts 0.5% Tax Collected Gallons $0.005 Total Totals by Fiscal Year {TP Records} (8 f.015) (C x .005) {TP Records} (Ef.023) (Fx .005) {D+G} (SUM (Col. D)) (SUM (Col. G)) (SUM (Col. H)) Jul-07 $2,026.36 $135090.67 $675.45 $321.91 13,996 $69.98 $745,43 Aug-07 1 459.75 97316.67 486.58 451.77 19,642 98.21 584.79 Sep-07 1765.09 117672.67 588.36 389.83 16,949 84.75 673.11 Oct-07 1 762.28 117,485.33 587.43 463.15 20137 100.69 688.12 Nov-07 2,685.83 179055.33 895.28 0.00 0 0.00 895.28 Dec-07 1738.31 115,887.33 579.44 443.99 19,304 96.52 675.96 Jan-08 1.803.06 120,204.00 601.02 446.54 19,415 97.08 698.10 Feb-08 1,749.54 116636.00 583.18 510.62 22.201 111.01 694.19 Mar-D8 2,295.24 153016.00 765.08 473.16 20,572 102.86 867.94 Apr-08 4,235.06 282,337.33 1,411.69 405.95 17650 88.25 1499.94 May-08 2,243.77 149584.67 747.92 593.65 25,811 129.06 876.98 Jun-D8 2,077.00 138,466.67 692.33 371.20 16,139 80.70 773.03 $8,613.76 $1,059.11 $9,672.87 Jul-08 $2,438.01 $162534.00 $812.67 $292,45 12,715 $63.58 $876.25 Aug-D8 2,379.15 158,610.00 793.05 393.94 17128 85.64 878.69 Sep-08 2,376.78 158452.00 792.26 417,47 18,151 90.76 883.02 Oct-08 2,519.56 167,970.67 839.85 364.14 15832 79.16 919.01 Nov-08 1631.72 108781.33 543.91 364.14 15,832 79.16 623.07 Dec-08 1199.78 79985.33 399.93 208.75 9,076 45.38 445.31 Jan-D9 1,331.79 88786.00 443.93 244.35 10,624 53.12 497.05 Feb-09 1,292.96 86,197.33 430.99 288.90 12561 62.81 493.80 Mar-09 1,605.97 107,064.67 535.32 235.75 10,250 51.25 586.57 Apr-09 1218.88 81,258.67 406.29 169.14 7,354 36.77 443.06 May-D9 2,250.74 150,049.33 750.25 256.29 11,143 55.72 805.97 Jun-D9 1,315.66 87,710.67 438.55 206.45 8,976 44.88 483.43 $7,187.00 $748.23 $7,935.23 Jul-D9 $1,126.41 $75,094.00 $375.47 $232.94 10,128 $50.64 $426.11 Aug-D9 1,190.48 79365.33 396.83 207.02 9,001 45.01 441.84 Sep-09 1,297.39 86492.67 432.46 265.49 11,543 57.72 490.18 Oct-09 1,428.69 95246.00 476.23 321.59 13982 69.91 546.14 Nov-09 1,470.65 98,043.33 490.22 224.80 9,774 48.87 539.09 Dec-09 1244.70 82980.00 414.90 330.69 14378 71.89 486.79 Jan-l0 1,489.92 99,328.00 496.64 390.29 16969 84.85 581,49 Feb-l0 1435.12 95674.67 478.37 259.69 11,291 56.46 534.83 Mar-10 161688 107,792.00 538.96 49724 21619 108.10 647.06 Apr-10 1,636.82 109121.33 545.61 355.37 15,451 77.26 622.87 May-l0 1,611.80 107,453.33 537.27 296.38 12886 64.43 601.70 Jun-10 1,389.77 92,651.33 463.26 336.05 14,611 73.06 536.32 $5,646.22 $808.20 $6,454.42 Jul-10 $1,117.97 $74531.33 $372.66 $372.03 16175 $8Q.88 $453.54 Aug-10 1,193.81 79587.33 397.94 385.43 16,758 83.79 481.73 Sep-10 1,440.27 96,018.00 480.09 317.26 13,794 68.97 549.06 Oct-10 1,591.43 106095.33 530.48 286.79 12469 62.35 592.83 Nov-l0 1,649.01 109,934.00 549.67 383.89 16691 83.46 633.13 Dec-10 1,502.62 100174.67 500.87 383.66 16681 83.41 584.28 Jan-11 2,037.72 135848.00 679.24 493.07 21438 107.19 786.43 Feb-11 1,504.70 100313.33 501.57 353.46 15,368 76.84 578.41 Mar-ll 1,660.38 110,692.00 553.46 431.16 18746 93.73 647.19 Apr-ll 2,533.92 168928.00 844.64 425.11 18483 92.42 937.06 May-ll 1,922.30 128,153.33 640.77 464.30 20187 100.94 741.71 Jun-l1 1,702.32 113,488.00 567.44 422.67 18,377 91.89 659.33 $6,618.83 $1,025.87 $7,644.70 Jul-ll $1,746.41 $116,427.33 $582.14 $351.14 15267 $76.34 $658.48 Aug-ll 1,591.11 106074.00 530.37 358.98 15,608 78.04 608.41 Sep-ll 1,627.33 108,488.67 542.44 381.69 16595 82.98 625,42 Oct-ll 2,236.91 149127.33 745.64 400.32 17,405 87.03 832.67 Nov-ll 1,784.73 118,982.00 594.91 476.05 20,698 103.49 698.40 Dec-ll 1,748.71 116,580.67 582.90 413.75 17,989 89.95 672.85 Jan-12 1,815.12 121,008.00 605.04 571.30 24,839 124.20 729.24 Feb-12 2,026.53 135102.00 675.51 472.56 20,546 102.73 778.24 Mar-12 2,303.89 153,592.67 767.96 495.31 21535 107.68 875.64 Apr-12 2,538.65 169243.33 846.22 392.45 17,063 85.32 931.54 May-12 2,248.15 149,876.67 749.38 495.10 21526 107.63 857.01 Jun-12 2,173.95 144,930.00 724.65 438,45 19,063 95.32 819.97 $7,947.16 $1,140.71 $9,087.87 Jul-12 $2,124.63 $141,642.00 $708.21 $390.54 16980 $84.90 $793.11 Aug-12 2,236.26 149084.00 745.42 339.37 14,755 73.78 819.20 Sep-12 2,511.86 167,457.33 837.29 305.12 13266 66.33 903.62 Oct-12 2,441.78 162,785.33 813.93 372.88 16,212 81.06 894.99 Nov-12 2,416.63 161,108.67 805.54 44054 19154 95.77 901.31 Dec-12 1,953.57 130238.00 651.19 376.19 16,356 81.78 732.97 Jan-13 2,066.45 137,763.33 688.82 420.00 18261 91.31 780.13 Feb-13 2670.47 178,031.33 890.16 402.20 17,487 87.44 977.60 Mar-13 3,153.63 210,242.00 1051.21 413.13 17962 89.81 1,141.02 Apr-13 2,781.71 185447.33 927.24 409.95 17,824 89.12 1,016.36 May-13 2,625.67 175,044.67 875.22 493.01 21435 107.18 982.40 Jun-13 2,337.42 155,828.00 779.14 392.86 17,081 85.41 864.55 $9,773.37 $1,033.89 $10,807.26
TOTALS: $137,358.94 $9,157,262.67 $45,786.34 $26,752.81 1,163,165 $5,816.01 $51,602.35 $45,786.34 $5,816.01 $51,602.35