Since lower-income people spend a larger proportion of their incomes on groceries than do higher-income people, if grocery stores were required by law to charge a 10-cent fee for disposable bags, this fee could be considered a Select one: a. progressive tax. b. proportional tax. c. income tax. d. regressive tax.

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