I'd say D since the quote makes the numbers sound like income.
increase
Explanation:
it has the same meaning as the word raise
the word raise means to increase or multiple the number of.
If we imagine ourselves in the scene in which the witness speaks with a firm and confident voice saying "that is the man I saw", the most probable thing is that it convinces us because she is very sure of herself, the witness does not doubt it for a moment, she/he is stating it.
The word <u>averred</u> can be replaced by <u>stated</u> since they have the same meaning. Other synonims can be claim, declare or affirm.
1. Haven't you made an appointment to see the doctor yet? When will you have time? Can you pick up my medicine from the pharmacy this week?