Daniel has compiled some information about his portfolio: Company Number of Market value on 1st shares January 2018 Per share market price on 31st December 2018 Chip Corp. Bhd. 1,000 $10,000 $25 Blue Corp 2,000 $20,000 $20 Koi Bhd. 3.000 $30,000 $15 a) Considering the fact that Daniel did not sell any of his existing shares, nor buy any new shares during this one-year period, calculate the total percentage change of his portfolio in the year 2018 b) Calculate Daniel's total portfolio gain in dollar terms