EZ-Tax is a tax accounting practice with partners and staff members. Each billable hour of partner time has a $540 budge

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EZ-Tax is a tax accounting practice with partners and staff
members. Each billable hour of partner time has a $540 budgeted
price and $260 budgeted variable cost. Each billable hour of staff
time has a budgeted price of $130 and a budgeted variable cost of
$70. For the most recent year, the partnership budget called for
8,000 billable partner-hours and 33,700 staff-hours. Actual results
were as follows.
Required:
a. Compute the sales price variance.
b. Compute the total sales activity
variance.
c. Compute the total sales mix
variance.
d. Compute the total sales quantity
variance.