6-20 There is an annual receipt of money that varies from to $300 in a fixed pattern that repeats forever. If interest is 10%, compute the EUAB, also con- tinuing forever, that is equivalent to the fluctuating disbursements. 300 300 300 200 200 200200 200 200 100 100 100 0-1-2-3-4-5-6 7-89-10-11-12o js 10%