Do not do any interim rounding, calculate values to $6$ decimal places before converting to percentages, state the answer as a percentage to two places, do not use labels $(\%,$ $$).$ For example, if the value is $0\mathrm{.}06458,$ the answer is $6\mathrm{.}46.$

Riley Stein estimates the expected returns for Cromarty LTD and Tindall Cos to be $7\mathrm{.}3\%$ and $12\mathrm{.}10\%$ respectively. She wants to build a portfolio with an expected return of $9\mathrm{.}90\%.$ The weight of Cromarty in the portfolio should be: