Need this updated for another suggestion

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Sale 1: Sold for a Blizzardy Storm Attendant (worth 18 keys)

Sale worth -18 x 0.9 = 16.2. Rounding to 16 keys

Imgur - http://imgur.com/4C1gh1j

Before - http://backpack.tf/profiles/76561198093486642?time=1434870000

After - http://backpack.tf/profiles/76561198093486642?time=1435215600

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Sale 2: Sold for a Steaming Tyrantium Helmet (worth 20.5 keys) + sweets (I will not be including paint price)

Sweets worth - (6.66 + 4.66 + 4.83 + 1.66) x 0.9 = 17.81 x 0.9 = 16.029. Rounding to 16 refined. 16/19 = 0.842... Rounding to 0.85 keys.

Tyrantium Worth - 20.5 x 0.9 = 18.45. Rounding to 18.5 keys.

Sale Worth - 0.85 + 18.5 = 19.35 Keys. Rounding to 19 keys.

Imgur - http://imgur.com/73eqvRp

Before - http://backpack.tf/profiles/76561198090251227?time=1434697200

After - http://backpack.tf/profiles/76561198090251227?time=1434783600

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Only valid and useable sales I could find.

Constructive Criticism and Counter Proof along with Helpful Feedback is appreciated :)