According to the News Wire "Price, Sales, and Total Revenue,"
(a) By what percent did Starbucks raise average coffee prices?
(b) If unit sales didn't decline at all, what would the price elasticity of demand have been?
(c) If unit sales fell by 0.2 percent, what would the price elasticity have been?
(d) If unit sales fell by 0.2 percent, would demand have been elastic or inelastic?
(e) If unit sales fell by 0.2 percent, would total revenue have increased decreased?