Ross Company, Westerfield, Incorporated; and Jordan Company announced a new agreement to market their respective products in China on July $18,$ February $12,$ and October $7,$ respectively. Given the information below, calculate the cumulative abnormal return $($CAR$)$ for these stocks as a group. Assume all companies have an expected return equal to the market return. Note: A negative value should be indicated by a minus sign. Leave no cells blank $-$ be certain to enter $"0"$ wherever required. Do not round intermediate calculations. Round your answers to $1$ decimal place. Westerfield, Incorporated Date July $12$ July $13$ July $16$ July $17$ July $18$ July $19$ July $20$ July $23$ July $24$ Days from announcement $-4-3-2012134$ Ross Company Market Return $-0\mathrm{.}20\mathrm{.}10\mathrm{.}6-0\mathrm{.}41\mathrm{.}9-0\mathrm{.}8-0\mathrm{.}90\mathrm{.}6$ Ross Company Return $-0\mathrm{.}40\mathrm{.}30\mathrm{.}8-0\mathrm{.}21\mathrm{.}3-0\mathrm{.}6-1\mathrm{.}0$ Date February $8$ February $9$ February $10-$ rebruary $11$ February $12$ February $15$ February $1610\mathrm{.}4$ February $170\mathrm{.}0$ rebruary $18$ Abnormal Returns $($R$-$RM$)$ Jordan W'field Market Return $-0\mathrm{.}7-0\mathrm{.}80\mathrm{.}60\mathrm{.}8-0\mathrm{.}11\mathrm{.}30\mathrm{.}7-0\mathrm{.}10\mathrm{.}5$ Sum Company Return $-0\mathrm{.}9-0\mathrm{.}90\mathrm{.}41\mathrm{.}00\mathrm{.}11\mathrm{.}40\mathrm{.}70\mathrm{.}00\mathrm{.}4$ Average abnormal return Date October $1$ October $2$ October $3$ October $6$ October $7$ October $8$ October $9$ October $10$ October $13$ Cumulative average residual Jordan Company Market Return $0\mathrm{.}30\mathrm{.}20\mathrm{.}9-0\mathrm{.}1-2\mathrm{.}40\mathrm{.}3-0\mathrm{.}50\mathrm{.}1-0\mathrm{.}2$ Company Return $0\mathrm{.}50\mathrm{.}81\mathrm{.}3-0\mathrm{.}5-0\mathrm{.}50\mathrm{.}3-0\mathrm{.}4-0\mathrm{.}1-0\mathrm{.}6$