The answer is: The firms total revenue would increase.
A product would be categorized as 'inelastic' if the change in price of the product wouldn't affect the number of demand that the sellers receive for the products much.
Because of this, increasing the price of the products would most likely resulted in an increase in revenue. Usually, inelastic products tend to be the ones that considered as basic necessities such a foods, gas, oil, clothing, etc.