Blue, Inc., produces stereo speakers. The selling price per pair of speakers is $1,000. The variable cost of production is $360 and the fixed cost per month is $49,000.

Calculate the contribution margin associated with a pair of speakers. Enter your answers as amounts only with neither commas nor decimals.
$

In August, the company sold 6 more pairs of speakers than planned. What is the expected effect on profit of selling the additional speakers? Enter your answers as amounts only with neither commas nor decimals.
$

Calculate the contribution margin ratio for Blue associated with a pair of speakers. Enter your answers as amounts only with neither commas nor decimals.
%

In October, the company had sales that were $9,100 higher than planned. What is the expected effect on profit related to the additional sales? Enter your answers as amounts only with neither commas nor decimals.