$8-29.$ OVERHEAD VARIANCES, SERVICE SECTOR. Family Meals Now $($FMN$)$ operates a meal home$-$delivery service. It has agreements with $20$ restaurants to pick up and deliver meals to customers who place orders on FMN$\text{'}$s website. FMN allocates variable and fixed overhead costs on the basis of delivery time. FMN$\text{'}$s owner, Thomas Stewart, obtains the following information for May $2020$ overhead costs:$1.$ Compute spending and efficiency variances for $\backslash ($ F M N $\backslash )\text{'}$s variable overhead costs in May $2020.2.$ Compute the spending variance and production$-$volume variance for FMN$\text{'}$s fixed overhead costs in May $2020.3.$ Comment on FMN$\text{'}$s overhead variances and suggest how Thomas Stewart might manage FMN$\text{'}$s variable overhead costs differently