Table 12-1 . Total Cost 1Variable Cost Q'm't't\" (dollars) {dollars} .- 33an -_ 100 L350 360 EDD L563 560 300 \" 400 500 \" Table 12-1 shows the shortrun cost data of a perfectlyr competitive rm that produces plastic camera cases. In perfect competition= marginal revenue (EVE) is alwan equal to the market price. Assume that output can only:r be increased in batches of 100 units- 4) Refer to Tails Ill-I. If the market price of each camera case is $3, what is the prot maxirnizing quantity? A) 3131:] units E) ri units C} 51313 units D] 61313 units