Final answer:
The price that yields the maximum daily profit is $30 with a daily profit of $600.
Step-by-step explanation:
The price that yields the maximum daily profit can be found by comparing the daily profits of each option.
- Price: $30; Daily Profit: $600
- Price: $60; Daily Profit: $300
- Price: $50; Daily Profit: $300
- Price: $30; Daily Profit: $500
From the given options, option A) Price: $30; Daily Profit: $600 has the maximum daily profit.