Solve the Problem $\$ 1400$ To $\$ 961$ Find the Discount and the Rate of Discount

Multiple Choice

Solve the problem.
-In a sale, the price of a computer is reduced from $\$ 1400$ to $\$ 961$ . Find the discount and the rate of discount. Round the discount rate to the nearest tenth of a percent if necessary.

A) $\$ 429 ; 30.6 \%$
B) $\$ 429 ; 44.6 \%$
C) $\$ 439 ; 31.4 \%$
D) $\$ 439 ; 45.7 \%$