1. The labor yield variance equals

a. (Inputs allowed - inputs used) x budgeted weighted-average materials unit price for the planned mix.

b. (Budgeted weighted-average labor rate for planned mix - budgeted weighted-average labor rate for actual

mix) x inputs used.

c. (Inputs allowed - inputs used) x budgeted weighted-average labor rate for the planned mix.

d. (Budgeted weighted-average materials unit cost for planned mix - budgeted weighted-average materials unit

cost for actual mix) x inputs used.

2. The labor mix variance equals

a. (Inputs allowed - inputs used) x budgeted weighted-average materials unit price for the planned mix.

b. (Budgeted weighted-average labor rate for planned mix - budgeted weighted-average labor rate for actual

mix) x inputs used.

c. (Inputs allowed - inputs used) x budgeted weighted-average labor rate for the planned mix.

d. (Budgeted weighted-average materials unit cost for planned mix - budgeted weighted-average materials unit

cost for actual mix) x inputs used

3. The materials yield variance equals

a. (Inputs allowed - inputs used) x budgeted weighted-average materials unit price for the planned mix.

b. (Budgeted weighted-average labor rate for planned mix - budgeted weighted-average labor rate for actual mix)

x inputs used.

c. (Inputs allowed - inputs used) x budgeted weighted-average labor rate for the planned mix.

d. (Budgeted weighted-average materials unit cost for planned mix - budgeted weighted-average materials unit

cost for actual mix) x inputs used.