Answer: $1,800
Step-by-step explanation:
The Cost of Transaction for purchasing contracts is calculated by the formula;
= Option Premium per Call * Lot Size * No. of contracts
When the Lot size is not specified, always use 100.
The Option Premium per call is $4.50.
Number of contracts required for July is potentially 4;
= 4.5 * 100 * 4
= $1,800