Elena, the founder of the digital subscription service StreamVibe, decides to shift her firm's primary business objective from revenue maximisation to profit maximisation.

Based on the diagram, this strategic shift will result in:
an increase in the price of subscriptions and a decrease in the volume of subscriptions sold
a decrease in the price of subscriptions and an increase in the volume of subscriptions sold
an increase in the volume of subscriptions sold and a decrease in profit
a decrease in both the price of subscriptions and profit