What is the capitalized worth, when i = 12% per year, of $1,800 per year, starting in year one and continuing forever; and $12,000 in year five, repeating every four years thereafter, and continuing forever?

a.$34,591.46 b.$33,679.47

c.$46,097.21

d.$32,609.89

e.$40,781.55

*****No extra information was given.