Initially, the estimate is 0.1303 = 0.043 + ln(2)(−0.027) + ln(47000000)(0.006)
Then, the estimate is 0.1116 = 0.043 + ln(4)(−0.027) + ln(47000000)(0.006)
0.1116 − 0.1303 = −0.0187, or −0.019
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