sum of taxes value missing?

I’m using 3 different taxes. It is normal that from debugger I cannot see the sum of the 3 tax values?? any other way to get the sum of the 3 tax values?



see the bottom of debug result below:



taxes => Array (3)
6 => Array (8)
rate_type => "P"
rate_value => "10.000"
price_includes_tax => "Y"
regnumber => ""
priority => "2"
tax_subtotal => 3.56
description => "IVA 10%"
applies => Array (1)
P_595022058 => "3.560"
8 => Array (8)
rate_type => "P"
rate_value => "20.000"
price_includes_tax => "Y"
regnumber => ""
priority => "3"
tax_subtotal => 18.312
description => "IVA 20%"
applies => Array (1)
P_274208589 => "18.312"
7 => Array (8)
rate_type => "P"
rate_value => "4.000"
price_includes_tax => "Y"
regnumber => ""
priority => "1"
tax_subtotal => 0.54
description => "IVA 4%"
applies => Array (1)
P_1734289371 => "0.540"
[B]tax_subtotal => 0[/B]