Franklin Manufacturing Company established the following standard price and cost data:

Sales price

Variable manufacturing cost

Fixed manufacturing cost$-$

Fixed selling and administrative cost

$$8\mathrm{.}90$ per unit

$$3\mathrm{.}10$ per unit

$$2,400$ total

$$700$ total

Franklin planned to produce and sell $2,800$ units. Actual production and sales amounted to $2,900$ units.

Assume that the actual sales price is $$8\mathrm{.}60$ per unit and that the actual variable cost is $$3\mathrm{.}35$ per unit. The actual fixed manufacturing cost is $$1,800,$ and the actual selling and administrative costs are $$720.$

Required

a$.$&b$.$ Determine the flexible budget variances and classify the effect of each variance by selecting favorable $($F$)$ or unfavorable $($U$).$

Note: Select "None" if there is no effect $($i$.$e$.,$ zero variance$).$