float maximumPrice = -MAXFLOAT;
float minimumPrice = MAXFLOAT;
for (NSNumber *num in arrayPrices)
{
float x = num.floatValue;
if (x < minimumPrice){minimumPrice = x;}
if (x > maximumPrice){maximumPrice = x;}
}
NSLog(@"Minimum Price: %f", minimumPrice);
NSLog(@"Maximum Price: %f", maximumPrice);
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