Pleasee help ASAPP

Rewrite these sentences in active voice.

1. A new contract was signed.

2. Julie’s dog was walked by her sister.

Basic Rules for Voices:

1) The tense will not be changes EVER.

2) Interchanging of subject and object.

Now, The changing of Voice:

1) Someone signed a new contract.  (Past Simple tense)

2) Her sister walked Julie's Dog.  (Past Simple tense)

Hope this helped!

a line graph will be best to show the income.