Study the given table and select the most appropriate option to fill in the blanks.
Consider the data of sales of products, A, B and C, by three companies, X, Y and Z, in the table given below.
| Company | Product | ||
| A | B | C | |
| X | 2750 | 3250 | 2250 |
| Y | 2500 | 3000 | 1750 |
| Z | 3500 | 3150 | 2400 |
The highest average sale per company is for the product _____ and the lowest average sale per product is for the company _____.