1. At what nominal annual rate of interest will money double itself in four years, six months if compounded semi dash annually? The nominal annual rate of interest for money to double itself in four years, six months is _____% per annum compounded semi-annually. (Round the final answer to four decimal places as needed. Round all intermediate values to six decimal places as needed.)

2. A loan of $3866 borrowed today is to be repaid in three equal installments due in one-and-a- half years, four years, and five-and-a -half years, respectively. What is the size of the equal installments if money is worth 4 % compounded semi- annually? The payments are each $_____ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)

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