Suppose a rm has a monthlilnr xed costs of $3,000 and ariable costs of $15 per unit produced. Find the monthly prot function if the rm sells its product for $20 per unit [assume that units produced equal units sold]. 0 13(3) 2 5:1: 3000 O P (z) = 20:: O P (z) 2 15:1: 2930 0 13(3): 53+ 3000 o P (z) = 35;: suns