Miguel is doing a research paper on new york city's stone wall riots of 1969. he visits the scene of the riots, interviews people who were there, reads the police reports or the event, and watches video footage. miguel is conducting a(n)

Bcorporation, a merchandising company, reported the following results for october: sales $ 490,000 cost of goods sold (all variable) $ 169,700 total variable selling expense $ 24,200 total fixed selling expense $ 21,700 total variable administrative expense $ 13,200 total fixed administrative expense $ 33,600 the contribution margin for october is: