Based on the bond information provided in Table 1, calculate the missing zero rates Z_0.5,Z₁ and Z_1.5.

Table 1

Time to Maturity (years)	Coupon Rate (p.a.)	Face Value	Price	Annualised Zero Rate
0.5	0%	$100	$97.77	Z0.5
1.0	0%	$100	$95.12	Z1
1.5	4%	$100	$98.20	Z1.5

Note that all zero rates quoted are continuously compounded. Coupons are paid semi-annually.