Suppose Rhonda owns and operates a surf shop. Last week, Rhonda ran a 30-percent off sale on all items in her shop and her revenues decreased by 35 percent. Everything else held constant, it can be concluded with certainty that Rhonda's customers' demand is:. A. price inelastic
B. price elastic
C. unit elastic

Explanation:

price elasticity of demand = percentage change in quantity demanded / percentage change in price

revenue = price x quantity

if price decreased by 30% and total revenue decreased by 35%, then PED is inelastic

a will show you in an example

original price = $10

original quantity = 100

if PED was unit elastic

= 30% / -30% = -1, sales volume increased by 30%

total revenue went form $1,000 to $910

if PED was elastic

= 50% / -30% = -1.7, sales volume increased by more than 30%, lets say 50%

total revenue went from $1,000 to $1,050

if PEd was inelastic

= 10% / -30% = -0.33, sales volume increased by less that 30%, lets say 10%

total revenue went from $1,000 to $770

the more inelastic, the larger the decrease in total revenue

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a

explanation: