Johnson electronics makes calculators. consumer satisfaction is one of the top priorities of the company's management. the company guarantees the refund of money or a replacement for any calculator that malfunctions within two years from the data of purchase. it is known from past data that despite all efforts, 5% of the calculators manufactured by this company malfunction within a 2-year period. the company recently mailed 500 such calculators to its customers. find the probability that exactly 30 of the 500 calculators will be returned for refund or replacement within a 2-year period.

How does the economy of cuba differ from the economy of north korea? in north korea, the government’s control of the economy has begun to loosen. in cuba, the government maintains a tight hold over the economy. in cuba, the government’s control of the economy has begun to loosen. in north korea, the government maintains a tight hold over the economy. in north korea, there is economic uncertainty in exchange for individual choice. in cuba, there is economic security in exchange for government control. in cuba, there is economic uncertainty in exchange for individual choice. in north korea, there is economic security in exchange for government control.\

Right medical introduced a new implant that carries a five-year warranty against manufacturer’s defects. based on industry experience with similar product introductions, warranty costs are expected to approximate 2% of sales. sales were $8 million and actual warranty expenditures were $42,750 for the first year of selling the product. what amount (if any) should right report as a liability at the end of the year?

Juan's investment portfolio was valued at $125,640 at the beginning of the year. during the year, juan received $603 in interest income and $298 in dividend income. juan also sold shares of stock and realized $1,459 in capital gains. juan's portfolio is valued at $142,608 at the end of the year. all income and realized gains were reinvested. no funds were contributed or withdrawn during the year. what is the amount of income juan must declare this year for income tax purposes?