Test 1: Price change
Array
(
)

Test 2: Price change to 20000
Array
(
    [hs_cost_of_goods_sold] => 16000
)

Test 3: Prosent change to 0.3
Array
(
    [hs_cost_of_goods_sold] => 7000
)

Test 4: Cost change to 5000
Array
(
    [prosent] => 0.5
)

Test 5: Rådgivning with cost
Array
(
    [hs_cost_of_goods_sold] => 0
)