Determine the total cost of using the following at $0.11 per kWh:
a. a 900-W toaster for 5 minutes,
b. a 120-V, 8-A heater for 1.7 hours,
c. an 1100-W dishwasher for 36 minutes,
d. a 120-V, 288-Ω soldering iron for 24 minutes.
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