Sheffield Corp, spent $9000 to produce Product 89 , which can be sold as is for $11500, or processed further incurring additional costs of $4000 and then be sold for $14000. Which amounts are relevant to the decision about Product 89 ? $9000,$4000,and$14000$9000,$11500,and$14000$9000,$11500,$4000and$14000$11500,$4000,and$14000