show your work and explain

Given the following fintech companies, calculate the expected return and standard deviation for a portfolio that has 35% invested in Stash, 10% invested in SoFi and the remaining allocation in Stripe stock. (75 POINTS) State of Economy Inflationary Recession Probability of State of Economy 75.0% 25.0% Rate of Return if State Occurs STA SH SOFI STRIPE 29.50% 23.20% 42.50% 4.38% -1.60% 2.90%