A garden shop determines the demand function during early summer for tomato plants where q$=$ D$($x$)=00/20$x$+9$ is the number of pints sold per day when the price is x$=3$ dollars per plant. $($a$)$ Find the elasticity.$($b$)$ Find the elasticity when x$=3($c$)$ At $$3$ per plant, will a small increase in price cause the total revenue to increase or decrease?

Recht Corporation bases its predetermined overhead rate on variable manufacturing overhead cost of $$9\mathrm{.}30$ per machine$-$hour and fixed manufacturing overhead cost of $$17,940$ per period. If the denominator level of activity is $1,200$ machine$-$hours, the fixed element in the predetermined overhead rate would be:

Multiple Choice

$$14\mathrm{.}95$

$$930\mathrm{.}00$

$$24\mathrm{.}25$

$$9\mathrm{.}30$