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.

$\backslash$table$[[$Ross Company,Wenterfield, Tncorporated,Jordan Company$],[,$Market,company,,Market,Company,,Market,company$],[$Date$,$Return,Return,Date,Return,Return,Date:,Return,Meturn$],[$July $12,-0\mathrm{.}2,-0,4,$Yebriary,$-0\mathrm{.}7,-0\mathrm{.}9,$October $1,0\mathrm{.}3,0\mathrm{.}5],[$July $13,0\mathrm{.}1,0\mathrm{.}3,$Februsry?,$-0\mathrm{.}8,-0\mathrm{.}9,$October $2,0\mathrm{.}2,$Q$.8],[$July $16,0\mathrm{.}6,0\mathrm{.}8,$Yebrusiry $10,0\mathrm{.}6,0,4,$october $3,0\mathrm{.}9,1\mathrm{.}3],[$July $17,-0\mathrm{.}4,-0\mathrm{.}2,$Tebrsary $11,0\mathrm{.}8,1\mathrm{.}0,$Oetober $6,-0\mathrm{.}1,-$Q$\mathrm{.}5],[$July $18,1\mathrm{.}9,1\mathrm{.}3,$Yebruary $12,-0\mathrm{.}1,0\mathrm{.}1,$oetober $7,-2\mathrm{.}4,-0\mathrm{.}5],[$July $19,-0,8,-0\mathrm{.}6,$rebrvary $15,1\mathrm{.}3,1\mathrm{.}4,$october,Q$\mathrm{.}3,0\mathrm{.}3],[$July $20,-0\mathrm{.}9,-1,0,$Tebruary $16,0\mathrm{.}7,0\mathrm{.}7,$October $9,-0\mathrm{.}5,-0\mathrm{.}4],[$July $23,0\mathrm{.}6,0\mathrm{.}4,$February $17,-0\mathrm{.}1,0\mathrm{.}0,$October $10,0\mathrm{.}1,-0\mathrm{.}1],[$July $24,0\mathrm{.}1,0\mathrm{.}0,$Tebruary $18,0\mathrm{.}5,0\mathrm{.}4,$october $13,-0\mathrm{.}2,-0\mathrm{.}6]]$

$\backslash$table$[[\backslash$table$[[$Days from$],[$announcement$]],$Abnormal Returns $($R$\_($i$)-$R$\_($M$)),\backslash$table$[[$Average$],[$abnormal$],[$return$]],\backslash$table$[[$Cumulative$],[$average$],[$residual$]]],[$Ross$,$Wrield,Jordan,Bum$],[-4],[-3],[-2],[-1],[0],[1],[2],[3],[4,,,,,,]]$