Koontz Company manufactures a number of products. The standards relating to one of these products are shown below, along with actual cost data for May.

Direct materials:

Standard: $1\mathrm{.}80$ feet at $$1\mathrm{.}60$ per foot

Actual: $1\mathrm{.}75$ feet at $$2\mathrm{.}00$ per foot

Direct labor:

Standard: $0\mathrm{.}90$ hours at $$18\mathrm{.}00$ per hour

Actual: $0\mathrm{.}95$ hours at $$17\mathrm{.}40$ per hour

Variable overhead:

Standard: $0\mathrm{.}90$ hours at $$6\mathrm{.}00$ per hour

Actual: $0\mathrm{.}95$ hours at $$5\mathrm{.}60$ per hour

Total cost per unit

Excess of actual cost over standard cost per unit

The production superintendent was pleased when he saw this report and commented: "This $$0\mathrm{.}87$ excess cost is well within the $5$ percent limit management has set for acceptable variances. It's obvious that there's not much to worry about with this product."

Actual production for the month was $11,500$ units. Variable overhead cost is assigned to products on the basis of direct labor$-$hours. There were no beginning or ending inventories of materials. Required $1.$ Compute the following variances for May: a$.$ Materials price and quantity variances. b$.$ Materials