Sagot :
Answer:
He gained Php 3,000
Explanation:
If Arnold bought 300 shares of MACQ at 400 pesos per share and sold half of it he will gain 3,000 because:
300 x 400 = 120,000 pesos
300÷2= 150
150 x 400 = 60.000
150 x 420 = 63, 000
60,000 + 63,000 = 123, 000
123,000 - 120,000= Php 3,000