Joint Products - profit earned from sales

appreciate & please help the calculation for profit earned as per below question :- ( I cannot get the answer for 1.5250 and 2.6750) opening stock nil costs of processing direct material $25,000 & direct labour $10,000 production overheads are absorbed at the rate of 300% of direct labour costs production unit sales unit output & sales consisted of product J 8000 7000 product k 8000 6000 product x 1000 1000 The sales value per unit of J, K and X is $4, $6 and $0.50 respectively. The saleable value of the by-product is deducted from process costs before apportioning costs to each joint product. Costs of the common processing are apportioned between product J and K on the basis on sales value of production. 1. what was the profit earned from the sales of J ? answer 5250 2. what was the profit earned from the sales of K ? answer 6750 my calculation : Product output S/P S.value cost cost unit J 8000 $4 32,000 22,000 2.75 K 8000 $6 48,000 33,000 4.125 80,000 55,000 cost : 25,000+30,000-500 = 55,000 J K J cost 22,000.00 33,000.00 sales 7000 X ( $4-$2.75=1.25) = 8750 sales 32,000.00 48,000.00 profit 10,000.00 15,000.00 K sales 6000 x ($6 - $4.125= 1.875) = 11250