Manufactured diamonds have become as big and virtually indistinguishable from the best natural diamonds (Hemali Chhapia Shah, “Pick Your Diamond, Get It Lab-Baked,” Times of India, April 28, 2014). Suppose consumers change from believing that manufactured diamonds, q₁, were imperfect substitutes for natural diamonds, q₂, to perfect substitutes, so that their utility function becomes U(q₁, q₂) = q₁ + q₂. What effect would that have on the demand for manufactured diamonds? Derive the new demand curve for manufactured diamonds and draw it. M