The O'Conner Company manufactures ceramic cases. In April 2009, two thousand vases were produced. The following information is related to its two direct of $40,300. Standard manufacturing labor time allowed is 1.5 hours per vase and the standard direct labor wage rate is $12 per hour. (4+4 = 8 points) Required: a) Calculate the flexible budget direct materials variance. Also calculate the direct materials price and efficiency variances. b) Calculate the flexible budget direct labor variance. Also calculate the direct labor rate and efficiency variances