alleryاگر چینی کی قیمت 25% بڑھ جاتی ہے، تو اخراجات کو برقرار رکھنے کے لیے کھپت کو کس فیصد تک گرنا چاہیے؟
A15%
B20%
C25%
D30%
Answer & Solution
Correct answer: B. 20%
مطلوبہ زوال = r/(100+r) x 100 = 25/125 x 100 = 20%۔
**چیک کریں:** نئے اخراجات = 1.25 x 0.80 = 1.0، کوئی تبدیلی نہیں۔
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