A mutual fund has the following assets and liabilities:

Sh'000'

Stock (at current market value)
20,000

Bonds (at current market value)
10,000

Cash
500

Liabilities
300

After one year, the value of the stock portfolio held by the mutual fund rises by 10% and the value of the bond portfolio falls by 2%. The cash and liabilities remain unchanged. The shares outstanding are 10 million
Required:
The yield on investment on the mutual fund