Table: Demand for Solar Water Heaters

Table: Demand for Solar Water

$\backslash$table$[[$Heaters$],[$Price$,$Quantity$],[$$$1,400,30],[1,300,35],[1,200,40],[1,100,45],[1,000,50],[900,55],[800,60],[700,65]]$

Use Table: Demand for Solar Water Heaters. The marginal cost of producing solar water heaters is zero, and only two firms, Rheem and Calefi, produce them. Suppose they agree to produce only $25$ water heaters each. If Rheem cheats on the agreement and produces $30$ water heaters, what is the quantity effect for Rheem?

$$4,500$

$$1,000$

$$9,000$

$$2,000$