Problem $8-15$ Prepare and Reconcile Variable Costing Statements $[$LO$1,$ LO$2,$ LO$3,$ LO$4]$ Audiophonics Limited manufactures and sells high$-$quality and durable ear buds for use with personal electronics that are custom moulded to each customer's ear. Cost data for the product follow:The product sells for $\backslash (\backslash$$ $54\backslash )$ per unit. Production and sales data for May and June, the first two months of operations, are as follows: $/$r$/$n Required: $1.$ Determine the unit product cost under each of the following methods. $/$r$/$n $2.$ Prepare variable costing income statements for May and June using the contribution approach. $($Do not leave any empty spaces; input a $0$ wherever it is required.$)/$r$/$n $3.$ Reconcile the variable costing and absorption costing operating income figures. $($Loss amounts should be indicated with a minus sign.$)$