BARNEY

SanDisk 32gb Extreme CF Card             69.50
Think Tank Stuff It! Pouch               36.75
Lexar Dual-Slot Reader                   34.95
Dot Line Battery Tube Case                5.95
Watson Case for Batteries x4              7.96
Impact 60" Convertible Umbrella          29.95
Subtotal                        -->     185.06

ADRIAN
Panasonic eneloop Power Pack Kit        39.99
Westcott Umbrella Bracket               59.80
Subtotal                        -->     99.79


Sub Total:      $284.85
Shipping:       $59.80
Total:          $344.65


Barney proportion = 185.06 / 284.85     0.65
Adrian proportion = 99.79 / 284.85      0.35

Barney shipping = 0.65 * 59.80 = 38.87
Adrian shipping = 0.35 * 59.80 = 20.93

Barney total = 185.06 + 38.87 = 223.93 USD
Adrian total = 99.79 + 20.93 = 120.72 USD

# Actual AUD value isn't finalised, this is the preliminary value pending against my credit card
344.65 USD == 368.75 AUD (multiplier of 1.07x)

Barney AUD = 223.93 * 1.07 = 239.60
Adrian AUD = 120.72 * 1.07 = 129.15