During the previous month, a firm produced 500 tablet devices and its total costs were $27,000. Just before the firm produced its last tablet device in the previous month, its total costs were $26,919.

The marginal cost incurred by the firm in producing the final tablet device that month was (Enter your response as a whole number)

Lillypad toys is a manufacturer of educational toys for children. six months ago, the company's research and development division came up with an idea for a unique touchscreen device that can be used to introduce children to a number of foreign languages. three months ago, the company produced a working prototype, and last month the company successfully launched its new device on the commercial market. what should lillypad's managers prepare for next? a. increased competition from imitators b. a prolonged period of uncontested success c. a sharp decline in demand for the product d. a difficult struggle to move from invention to innovation