Consider that the prices of the following A bonds are as of September 2, 2021; and that the bonds pay coupons semi-annually.

Anual Coupon	Dates	Prices
6 &7/8	March 2, 2022	101: 20
5.5	September 2, 2022	101 : 18
4 & 5/8	March 2, 2023	100 :21
4 & 5/8	September 2, 2023	100 : 12
4 & 3/8	March 2, 2024	99 : 15

1-Using Bootstrap; Calculate the first 4 zero rates assuming annual rates compounded bimonthly. Calculate the first 4 zero rates assuming simple rates act / 365. Calculate the first 4 zero rates assuming continuous rates. Calculate the first 4 discount factors