Adrienne and Stephen consume pizza, Z, and cola, C. Adrienne's utility function is Upper U Subscript Upper AequalsUpper Z Subscript Upper AUpper C Subscript Upper A and Stephen's is Upper U Subscript Upper Sequals(Upper Z Subscript Upper S Baseline )Superscript 0.5(Upper C Subscript Upper S Baseline )Superscript 0.5. Their endowments are Upper Z Subscript Upper Aequals14, Upper C Subscript Upper Aequals100, Upper Z Subscript Upper Sequals6, and Upper C Subscript Upper Sequals40. What are the competitive equilibrium prices, where one price is normalized to equal one? Determine p, the competitive price of Z, where the price of C is normalized to equal one. The competitive price, p, is $ nothing. (Enter your response rounded to two decimal places.)