The advantage of a market-product grid is that it can be used as a way of:a .making optimal decisions under conditions of uncertainty. b. screening many new product ideas in order to select the one with best long-run market potential. c. relating likely sales of products to prospective market segments. d. selecting representative samples of consumers in marketing research studies. e. relating the product life cycle to consumer demand.

Your sister turned 35 today, and she is planning to save $60,000 per year for retirement, with the first deposit to be made one year from today. she will invest in a mutual fund that's expected to provide a return of 7.5% per year. she plans to retire 30 years from today, when she turns 65, and she expects to live for 25 years after retirement, to age 90. under these assumptions, how much can she spend each year after she retires? her first withdrawal will be made at the end of her first retirement year.