3. Columns 1 through 3 in the table below show the marginal utility which a particular consumer would get by purchasing various quantities of products A, B, and C.
(1) (2) (3)
Marginal Marginal Marginal
product utility, A utility, B utility C
Unit of
First
18
39
12
Second
16
36
10
Third
14
33
9
Fourth
12
30
8
Fifth
10
27
7
8
24
Sixth
5
Seventh
6
21
الميا
If the prices of A, B, and C are $2, $3, and $1, respectively, and the consumer has $32 to spend on
these three products, what combination of the three products should be purchased in order to
maximize utility? Show all work to receive credit.

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?