Answer:
1st option: 113.04 cm³
Step-by-step explanation:
Volume of sphere= 
Volume of ornament

The difference between liters and milliliters is three decimal places so either move the decimal over three places and put in two zeros in the empty places or just multiply 7.5 by 1,000 (three zeros = 1 for each decimal place you need to move the decimal). 7.5 liters of water = 7,500 milliliters of water.
The answer would be $42,620. All you have to do is subtract.