The return of an international portfolio, using the provided information, is 8.85%.
The return of an international portfolio is calculated using the following formulae:
rp = a rUS + ( 1 - a ) rrw
where
Using the data provided, this will be calculated as follows:
rp = 0.45 (0.05) + (1 - 0.45) 0.12
rp = 0.0225 + 0.066
rp = 0.0885 or 8.85%
Hence, the return of an international portfolio is 8.85%.
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