Shayla's checking account balance last month was $3545. If her checking
account pays 1% interest monthly and has a $10 service fee, how much was
the credit to her account?
A. $15.45
B. $35.45
C. $25.45
D. $10.00

Bill dukes has $100,000 invested in a 2-stock portfolio. $62,500 is invested in stock x and the remainder is invested in stock y. x's beta is 1.50 and y's beta is 0.70. what is the portfolio's beta? do not round your intermediate calculations. round the final answer to 2 decimal places.