Monique's Florals produced a special Mother's Day arrangement that included eight roses. The standard and actual costs of the roses

used in each arrangement follow:

Monique's Florals planned to make $770$ arrangements but actually made $830.$

Required

a$.$ Determine the total flexible budget materials variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

b$.$ Determine the materials price variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

c$.$ Determine the materials usage variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

d$.$ Confirm the accuracy of Requirements $a,b,$ and $c$ by showing that the sum of the price and usage variances equals the total

variance.