A company issued 9,000 12% debentures of 100 each at a discount of 10%. Debentures are to be redeemed in five equal annual instalments. Calculate the amount of discount on issue of debentures to be written off each year. Prepare Discount on Issue of Debentures A/c for 1st two years.​

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.