Required: 1. Compute a materials price variance for the plates purchased last month and a materials quantity variance for the plates used last month. 2. For labor cost in the lab: a. Compute a labor rate variance and a labor efficiency variance. b. In most hospitals, one-half of the workers in the lab are senior technicians and one-half are assistants. In an effort to reduce costs, Valley View Hospital employs only one-fourth senior technicians and three-fourths assistants. Would you recommend that this policy be continued? 3-a. Compute the variable overhead rate and efficiency variances. 3-b. Is there any relation between the variable overhead efficiency variance and the labor efficiency variance? Complete this question by entering your answers in the tabs below. Req 1 Req 2A Req 2B Req Req 3B Compute a materials price variance for the plates purchased last month and a materials quantity variance for the plates used last month. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.) Materials price variance Materials quantity variance For labor cost in the lab, Compute a labor rate variance and a labor efficiency variance. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.) Labor rate variance Labor efficiency variance Compute the variable overhead rate and efficiency variances. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.) Variable overhead rate variance Variable overhead efficiency variance