someone please help me. im exhausted and so confused with this. I will give brainlest

Answer:
Below
Step-by-step explanation:
Mar 15 = 310.85
Apr 3 = 313.71
Apr 14 = 138.71
Jun 20 = 953.21
Part Two
Balance on Jun 30 = 616.11
Step-by-step explanation:
the lines next to the numbers are the numbers in order