Last week at an insurance company, Zach sold an average of 7 automobile and 8 homeowner policies per day over a 5day period, Lisa sold an average of 10 automobile and 9 homeowner policies per day over a 5day period, and York sold an average of 6 automobile and 5 homeowner policies per day over a 4day periot Complete parts a and b below. 21} Express this information as a sum of scalar multiples of three 2 X1 matrices. (Type an integer or decimal for each matrix element. Do not simplify.) b} Find the total number of automobile policies and the total number ofhomeowner policies that were sold by Zach, Lisa, and York. A total of automobile policies and a total of homeowner policies were sold. (Type integers or decimals.)