Could you solve those problems please dont just only one thank u

I dont have much time left

21. In terms of the asset classes of cash and fixed interest, nominate the incorrect statement: A. Cash may be invested on the short-term money market at the cash rate and is more liquid than fixed interest B. The essential features of most fixed interest investment are that the interest rate is set at the start of the period and the principal is fixed C. Cash is regarded as a riskier investment D. none of the above 22. How much tax would be payable by the Griffith Superannuation Fund which provided the following details for the 2021/22 financial year: . II Sale of investments for a profit of $180,000 that were held for 2 years; Sale of investments for a profit of $120,000 that were held for 10 months; Other assessable income of $110,000 Allowable deductions of S30,000. A. $160,000 B. 548,000 C. S24.000 D. $26,250 23. Alex has a taxable income of $250,000 in the 2021/22 financial year. Calculate his tax payable (Including Medicare Levy and Medicare Levy Surcharge): A. $94,347 B. $83.167 C. S126,000 D. $87.500