The first one is
a. 105
because .07 x .5 x 3000 is equal to 105.
I'm not sure about the second one though.
Answer: It may influence their decision depending on the tone the case was explained, rather than giving the subject a fair trial.
Explanation:
People, depending on their opinions, can influence others depending on how they talk about their subject because of bias.
When a company buys something on credit it increases account payable, and when a company sells on credit it will increase their account receivable.