Select the correct answer.

Mary pushes a crate by applying force of $18$ newtons. Unable to push it alone, she gets help from her friend, Anne. Together they apply a force of $43$ newtons, and the crate just starts moving. If the coefficient of static friction is $0\mathrm{.}11,$ what is the value of the normal force?

A$.$

$2\mathrm{.}0102$ newtons

B$.$

$2\mathrm{.}6102$ newtons

C$.$

$3\mathrm{.}9102$ newtons

D$.$

$4\mathrm{.}0102$ newtons

E$.$

$4\mathrm{.}3102$ newtons