The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana. Alabama Arkansas Louisiana soybeans (s)soybeans (s)soybeans (s) peanuts (p) rice (r) corn (c) sugarcane cotton (t) rice (r) hay wheat (w) hay wheat (w) corn (c) cotton (t) Let U be the smallest possible universal set that includes all of the crops listed; and let A, K, and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find the indicated set. A'N K Select one: O a. {c, p, r, t} O b. (c, n, p, r, t} O c. (n} O d.