Question 6 Not yet answered Marked out of 11.00 P Flag question (a) Explain why the following positions could NOT be a delta-neutral portfolio: short position in calls plus short position in the underlying stock. (b) Consider a portfolio that has a Delta of 100, a Gamma of -20, and a Vega of -10. There are two traded options available: Delta Gamma Vega Traded options 1 0.2 0.01 0.5 Traded options 2 -0.1 0.05 0.3 What position in the traded option and/or underlying stock would make the portfolio Gamma and Vega neutral? (Required: Show your work step by step)