Suppose the risk$-$free interest rate is $4\mathrm{.}2\%.$a$.$ Having $$200$ today is equivalent to having what amount in one year?b$.$ Having $$200$ in one year is equivalent to having what amount today?c$.$ Which would you prefer, $$200$ today or $$200$ in one year? Does your answer depend on when you need the money? Why or why not?a$.$ Having $$200$ today is equivalent to having what amount in one year?Having $$200$ today is equivalent to having $in one year. $($Round to the nearest cent.$)$