Answer: 1.20
Explanation:
The Portfolio beta will be a weighted average of the individual stock betas.
Portfolio beta = (22% * 0.88) + ( 23% * 0.94) + ( 42% * 1.34) + ( 13% * 1.79)
= 0.1936‬ + â€0.2162‬ + â€0.5628‬ + â€0.2327‬
= â€1.2053‬
= 1.20