Walton Company measured its quality costs for the past two years and summarized those costs using the four categories shown below:

Last Year This Year

Prevention costs $ $321,300$ $ $591,500$

Appraisal costs $ $405,000$ $ $528,700$

Internal failure costs $ $758,400$ $ $450,000$

External failure costs $ $1,177,000$ $ $734,400$

Required:

$1.$ Calculate the total cost of quality last year and this year.

$2.$ For last year, calculate the cost in each of the four categories as a percent of the total cost of quality.

$3.$ For this year, calculate the cost in each of the four categories as a percent of the total cost of quality.

$4-$a$.$ Calculate the change in total cost of quality over the two$-$year period.

$4-$b$.$ Is performance trending in a favorable or unfavorable direction?