Question: . Using Control Limits to Determine When to Investigate a Variance Kavallia Company set a standard cost for one item at $328,000; allowable deviation is
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Using Control Limits to Determine When to Investigate a Variance
Kavallia Company set a standard cost for one item at $328,000; allowable deviation is $14,500. Actual costs for the past six months are as follows:
| June | $331,500 | September | $314,000 | |
| July | 344,000 | October | 331,000 | |
| August | 346,800 | November | 324,000 |
Required:
1. Calculate the variance from standard for each month.
| Variance | ||
| June | $fill in the blank 1 | FavorableUnfavorable |
| July | $fill in the blank 3 | FavorableUnfavorable |
| August | $fill in the blank 5 | FavorableUnfavorable |
| September | $fill in the blank 7 | FavorableUnfavorable |
| October | $fill in the blank 9 | FavorableUnfavorable |
| November | $fill in the blank 11 | FavorableUnfavorable |
Which months should be investigated?
| June | InvestigatedNot investigated |
| July | InvestigatedNot investigated |
| August | InvestigatedNot investigated |
| September | InvestigatedNot investigated |
| October | InvestigatedNot investigated |
| November | InvestigatedNot investigated |
2. What if the company uses a two-part rule for investigating variances? The allowable deviation is the lesser of 4 percent of the standard amount or $14,500. Now which months should be investigated?
| June | InvestigatedNot investigated |
| July | InvestigatedNot investigated |
| August | InvestigatedNot investigated |
| September | InvestigatedNot investigated |
| October | InvestigatedNot investigated |
| November | InvestigatedNot investigated |
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