The following selling price and cost information is associated with online retailer Blue Spruce Company's hottest selling mug, the Watmer. Selling price $$19$ product cost per unit $$7$ marketing costs per month $$90$ Adminstrative cost per month $$180$ other fixed costs per month $$180$ shipping cost per unit $($Currently paid by Blue Spruce Company $)$ $$3$ sales volume of mugs per month $80$ each scenario below is independent of the others A$)$ how much monthly operating income does Blue Spruce Company currently earn?