Scenario: Mr. Olivander has a monopoly on supplying magic wands. The table shows the demand schedule for magic wands per day.

Price

Quantity Demanded

$100 0

$90 1

$65 2

$55 3

$35 5

$20 9

$15 12

Mr. Olivander used to sell two wands per day. Now he plans to cut back his sale to only one wand. The price effect of this plan is a________, and the quantity effect of this plan is a________ in his revenue.

A.

$90 decrease;$65 increase

B.

$25 increase;$65 decrease

C.

$65 decrease;$90 increase

D.

$25 decrease;$130 increase