You are the manager of a major art museum. Write a memo to various department heads at your museum giving them the following information. Use proper memo format. Old hours: Mon.–Fri. 9–5; closed Sat. except during July and August, when you are open 9–12 New hours: Mon.–Th. 8:30–4:30; Fri.–Sat. 9–9 Old rates: Adults $12.00; senior citizens $5.00; children under 12 $3.00 New rates: Adults $15.00; senior citizens $7.00; children under 12 $5.00 Added features : Paintings by Thora Horne, local artist; sculpture from West Indies in display area all summer; guided tours available for parties of six or more; lounge areas will offer patrons sandwiches and soft drinks during May, June, July, and Augustp.164.