Portfolio Return r(P)
week 0	0.00%
week 1	0.20%
week 2	-0.19%
week 3	0.44%
week 4	-0.10%
week 5	2.54%
week 6	-0.05%
week 7	-0.30%
week 8	-0.60%
week 9	-0.88%

how to convert weekly returns to monthly returns for the portfolio using the effective rate concept discussed in class.