Final answer:
To increase a value by 4% and then 3% for a total increase of 10%, you need to use the multipliers 1.04 and 1.03.
Step-by-step explanation:
To increase a value by 4% and then 3% for a total increase of 10%, you need to multiply the value by two multipliers. The first multiplier should be 1.04 to increase the value by 4%, and the second multiplier should be 1.03 to increase the resulting value by 3%. Therefore, the correct answer is A. 1.04 and 1.03.