The best way to begin a request memo is $\_\_\_\_\_\_\_\_.$

Question $1$ options:

$1)$

"Thank you in advance for taking the time to consider my request"

$2)$

$"$I$\text{'}$m writing as the assistant to the CEO of Dynamix Inc."

$3)$

$"$I$\text{'}$m writing in response to your recent e$-$mail"

$4)$

"Please forward information about your products"