Step 1: Understand the factors affecting bonus decisions.
Bonus decisions are often influenced by the company’s profitability, liquidity, and sometimes its age. These factors help determine whether the company has sufficient resources to provide bonuses to employees.
Step 2: Evaluate the options.
- The amount of profit determines whether there is enough surplus to reward employees.
- Liquidity is important as the company needs to ensure that it has available cash to pay bonuses.
- The age of the company can affect its financial position and stability, influencing bonus decisions.
Step 3: Conclude.
All these factors are relevant in determining bonus decisions.
Final Answer:
\[
\boxed{\text{All of these}}
\]