buying price of 2 types of sugar are 6000 and 6400per kg.both types of sugar are mized in a ratio of 2:3 and sold with 20% profit.find the buying price of 1 kg

1 kg = 10 ounces
2:3 have 5 as a comparative amount

type of sugar 6000/10 = 600 per ounce
2/5 x 10 ouces = 4 ounces
4 ounces x 600 = 2400

type of sugar 6400/10 = 640 per ounce
3/5 x 10 ounces = 6 ounces
6 x 640 = 3480

the price mixtured sugar:
2400 + 3480 = 6240
profit 20% = 20% x 6240 = 1248
so buying price of 1 kg mixtured sugar is
6240 + 1248 = 7488